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Master 2.24
Extra Practice 3
Lesson 5: Prime and Composite Numbers
1. List all the factors of each number.
Underline the numbers that are prime factors.
a) 14
b) 48
c) 24
e) 75
f) 15
g) 35
d) 60
h) 56
2. Tell if each number is prime or composite.
a) 2
b) 19
c) 28
e) 37
f) 75
g) 29
d) 36
h) 70
3. Write the prime factorization of each composite number in question 2.
4. Three numbers between 40 and 50 are prime numbers.
What numbers are they?
5. Two numbers between 50 and 60 are prime numbers.
What numbers are they?
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