Best Answer

By factoring them. Prime numbers have only two factors. Composite numbers have three or more.

More answers

You first find all of the factors of the number. A Prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0.

Q: How do you find prime and composite numbers?

Write your answer...

Submit

Still have questions?

Continue Learning about Basic Math

The product of two prime numbers will be composite.

Products of prime numbers are composite numbers.

The opposite of prime numbers are composite numbers.

All numbers that only have one and itself as factors are prime. Therefore, to tell if a number is prime simply find it's factors. If it has more than two factors than it is not a prime number, otherwise it is composite.

Composite numbers have more than two factors. So, the numbers which have two or less than two factors are not composite numbers. Numbers which have exactly two factors are prime numbers. 1 is an exceptional case because it is neither prime nor composite since it has only one factor which is 1.

Related questions

There are more composite numbers than prime numbers, but there is no prime or composite number so great that you can't find a greater one of either kind.

Prime numbers are used to find the product of the prime factors of composite numbers.

prime numbers

simplify it

No. Prime numbers cannot be composite and composite numbers cannot be prime!

1 is special 2 prime 3 prime 4 composite 5 prime 6 composite 7 prime 8 composite 9 composite 10 composite 11 prime 12 composite ext.

No, prime factorizations consist entirely of prime numbers.

The product of two prime numbers will be composite.

Factor it. Prime numbers have two factors, composite numbers have more than two.

Prime numbers can not composite as - Prime number has only 2 factors whereas composite have more than 2

Composite numbers have more than two factors whereas prime numbers have only two factors.

Prime factorization never includes a composite number. All numbers in prime factorization must be prime numbers.