Download 6th Grade Math Notes

Prime Factorization
6.1D Write prime factorization.
Words to Know:
prime factorization- a composite number expressed as a
product of prime numbers
factor – a number that divides into a whole number with no
remainder
prime number – a whole number that has exactly two unique
factors, 1 and the number itself
HOW TO FIND PRIME FACTORIZATION
Write the number that is being
factored at the top.
18
2
2 x
x
9
3 x 3
Choose any pair of whole
number factors of 18.
Circle prime factors. When only
prime factors remain, write them
as a multiplication sentence with
the factors in order from
least to greatest.
18
__
x
__
__ x __ x __
The prime factorization of 18 is ___________________.
Write the prime factorization using exponents:
a.
16
b.
28
c.
42