Problem:

... working with large whole numbers, tests for divisibility are more efficient than the traditional factoring method. ...

... working with large whole numbers, tests for divisibility are more efficient than the traditional factoring method. ...

Prime, Composite, Divisibility and Square Numbers

... 150 is divisible by 3 since the sum of the digits is 6 (1+5+0 = 6), and 6 is divisible by 3. 150 is not divisible by 4 since 50 is not divisible by 4. 150 is divisible by 5 since the last digit is 0. 150 is divisible by 6 since it is divisible by 2 AND by 3. 150 is not divisible by 9 since the sum ...

... 150 is divisible by 3 since the sum of the digits is 6 (1+5+0 = 6), and 6 is divisible by 3. 150 is not divisible by 4 since 50 is not divisible by 4. 150 is divisible by 5 since the last digit is 0. 150 is divisible by 6 since it is divisible by 2 AND by 3. 150 is not divisible by 9 since the sum ...

Prime, Composite, Divisibility and Square Numbers

... 150 is divisible by 6 since it is divisible by 2 AND by 3. 150 is not divisible by 9 since the sum of the digits is 6, and 6 is not divisible by 9. 150 is divisible by 10 since the last digit is 0. Solution: 150 is divisible by 2, 3, 5, 6, and 10. Example 2: Determine whether 225 is divisible by 2, ...

... 150 is divisible by 6 since it is divisible by 2 AND by 3. 150 is not divisible by 9 since the sum of the digits is 6, and 6 is not divisible by 9. 150 is divisible by 10 since the last digit is 0. Solution: 150 is divisible by 2, 3, 5, 6, and 10. Example 2: Determine whether 225 is divisible by 2, ...

divisibility rules - Biblical Christian World View

... dividend and divisor respectively. Thus, the sign of division is a perfect symbolic representation. When you can divide a set exactly into equal parts (with no remainder or anything left over) then you have divisibility. For example if I wanted to divide $9 (and I just had $1 bills) equally among tw ...

... dividend and divisor respectively. Thus, the sign of division is a perfect symbolic representation. When you can divide a set exactly into equal parts (with no remainder or anything left over) then you have divisibility. For example if I wanted to divide $9 (and I just had $1 bills) equally among tw ...

Divisibility Rules Poster

... d. all of the above 4. Which of the following numbers is divisible by 6? a. 644 b. 4160 c. 5700 d. none of the above 5. If a number is divisible by 9, then it is also divisible by which number? a. 2 b. 3 c. 6 d. none of the above 6. Which of the following numbers have only one of the Divisibility Ru ...

... d. all of the above 4. Which of the following numbers is divisible by 6? a. 644 b. 4160 c. 5700 d. none of the above 5. If a number is divisible by 9, then it is also divisible by which number? a. 2 b. 3 c. 6 d. none of the above 6. Which of the following numbers have only one of the Divisibility Ru ...

Divisibility - Dalton State

... • Double the ones digit and subtract from the remaining digits • If that number is equal to zero or divisible by 7, then the original number is • If your number is still a big number, repeat the process ...

... • Double the ones digit and subtract from the remaining digits • If that number is equal to zero or divisible by 7, then the original number is • If your number is still a big number, repeat the process ...

Divisibility Rules - HRSBSTAFF Home Page

... From the divisibility rule for 5 we know the number must end in a 5 or 0. From the divisibility rule for 9 we know the sum of the digits must be divisible by 9. If we guess the last digit is 0 then the first digit or first two digits must add to 9. 90 does not work because the number must be great ...

... From the divisibility rule for 5 we know the number must end in a 5 or 0. From the divisibility rule for 9 we know the sum of the digits must be divisible by 9. If we guess the last digit is 0 then the first digit or first two digits must add to 9. 90 does not work because the number must be great ...

Characteristic of number Number divisible by

... 11 Alternately add and subtract the digits from left to right. (You can think of the first digit as being 'added' to zero.) If the result (including 0) is divisible by 11, the number is also. Example: to see whether 365167484 is divisible by 11, start by subtracting: [0+]3-6+5-1+6-7+4-8+4 = 0; there ...

... 11 Alternately add and subtract the digits from left to right. (You can think of the first digit as being 'added' to zero.) If the result (including 0) is divisible by 11, the number is also. Example: to see whether 365167484 is divisible by 11, start by subtracting: [0+]3-6+5-1+6-7+4-8+4 = 0; there ...

measurement, units and dimensions

... ii) 2.64 ×1024 has three significant figures. iii) 0.2370 has four significant figures. iv) 6.320 has four significant figures. v) 6.032 has four significant figures. vi) 0.0006032 has four significant figures. Round off to 3 significant figures: i) 20.96 ii) 0.0003125 i) 20.96 has four significant ...

... ii) 2.64 ×1024 has three significant figures. iii) 0.2370 has four significant figures. iv) 6.320 has four significant figures. v) 6.032 has four significant figures. vi) 0.0006032 has four significant figures. Round off to 3 significant figures: i) 20.96 ii) 0.0003125 i) 20.96 has four significant ...

Complex numbers - Beaufort Secondary College

... Divisibility Math Tricks to Learn the Facts (Divisibility) Dividing by 2 All even numbers are divisible by 2. E.g., all numbers ending in 0,2,4,6 or 8. Dividing by 3 Add up all the digits in the number. Find out what the sum is. If the sum is divisible by 3, so is the number For example: 12123 (1+2+ ...

... Divisibility Math Tricks to Learn the Facts (Divisibility) Dividing by 2 All even numbers are divisible by 2. E.g., all numbers ending in 0,2,4,6 or 8. Dividing by 3 Add up all the digits in the number. Find out what the sum is. If the sum is divisible by 3, so is the number For example: 12123 (1+2+ ...

Divisibility Rules - hrsbstaff.ednet.ns.ca

... The divisibility rules make math easier. Did you ever wonder how people could tell if something was divisible by a number just by looking at it? These rules are how they do it. Memorize a few simple rules and simplifying fractions and prime factorization will be so much easier. Number Divisibility R ...

... The divisibility rules make math easier. Did you ever wonder how people could tell if something was divisible by a number just by looking at it? These rules are how they do it. Memorize a few simple rules and simplifying fractions and prime factorization will be so much easier. Number Divisibility R ...

Divisibility Rule 2

... There could be 6 rows of 6 students, 4 rows of 9 students or 9 rows of 4 students. ...

... There could be 6 rows of 6 students, 4 rows of 9 students or 9 rows of 4 students. ...

- GATECounsellor

... 1. If a/b of a number is x then the number is x×(b/a). 2. Any number is x more or less from the a/b of that number then the number is (x×b)/(b-a). 3. The sum of a two-digit number and the number obtained by interchanging the digits is always multiple of 11 then the sum of digits is (sum of two numbe ...

... 1. If a/b of a number is x then the number is x×(b/a). 2. Any number is x more or less from the a/b of that number then the number is (x×b)/(b-a). 3. The sum of a two-digit number and the number obtained by interchanging the digits is always multiple of 11 then the sum of digits is (sum of two numbe ...

Positive/Negative and Odd/Even Functions

... Remarks: If any argument is nonnumeric, GCD returns the #VALUE! error value. If any argument is less than zero, GCD returns the #NUM! error value. One divides any value evenly. A prime number has only itself and one as even divisors. Examples: GCD(5, 2) equals 1 GCD(24, 36) equals 12 GCD(7, 1) equal ...

... Remarks: If any argument is nonnumeric, GCD returns the #VALUE! error value. If any argument is less than zero, GCD returns the #NUM! error value. One divides any value evenly. A prime number has only itself and one as even divisors. Examples: GCD(5, 2) equals 1 GCD(24, 36) equals 12 GCD(7, 1) equal ...

Divisibility Rule 2 - Holland Township School

... “Divisible by” means: If you divide one number by another, the result is a whole number WITHOUT a remainder. ...

... “Divisible by” means: If you divide one number by another, the result is a whole number WITHOUT a remainder. ...

Unit 13(Playing With Numbers)

... Draw two more. Here for the first square number, use 12; for the second square number, use 22. To find the third square number use 32 and so on. Write the nth square number. Now let’s move to triangular numbers. ...

... Draw two more. Here for the first square number, use 12; for the second square number, use 22. To find the third square number use 32 and so on. Write the nth square number. Now let’s move to triangular numbers. ...

Section 3.2: Using Check Digits

... long, including a check digit. We count the digits and verify the format of our ...

... long, including a check digit. We count the digits and verify the format of our ...

Octal Numbering System

... To convert decimal to octal is slightly more difficult. The typical method to convert from decimal to octal is repeated division by 8. While we may also use repeated subtraction by the weighted position value, it is more difficult for large decimal numbers. Repeated Division By 8 For this method, di ...

... To convert decimal to octal is slightly more difficult. The typical method to convert from decimal to octal is repeated division by 8. While we may also use repeated subtraction by the weighted position value, it is more difficult for large decimal numbers. Repeated Division By 8 For this method, di ...