3*5*7=105◄
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A composite factor is a factor that is a composite number, as opposed to a prime factor which is a factor that is a prime number.
39 = 3 x 13
All composite numbers have more than 2 factors whereas prime numbers have only 2 factors
The prime factors of a number by multiplying each other. You can also use exponents. a prime factorization is when you divide a number and see what all of the prime (odd) numbers make up that number. EX. 9 / \ 3 3 then you would circle the 3's because they are prime.
prime number: divisible by itself and 1. composite number: divisible by more than itself and 1. Prime: 2 3 7 17 23 composite: 6 9 18 21