Best Answer

Prime numbers have exactly two factors. 3 has exactly two factors: 1 and 3. So 3 is prime.

Composite numbers have more than two factors. 4 is composite because it has three factors: 1, 2, and 4.

Study guides

☆

Q: Is 3 a prime or composite number why?

Write your answer...

Submit

Still have questions?

Continue Learning about Math & Arithmetic

771 is a composite number. Its prime factors are 3, 257

It is composite. It is divisible by 3.

ok well i am in prime and composite in math class and this is how: If the number is a prime then it can only have 2 factors. If it has 3 or more it is a composite number. Say 25 has a lot of factors so it is a composite number. And if 1 has only 1 factor then it is a prime number. And there you have prime and composite.

It is composite, it is not prime. It is divisible by 3.

369 is not prime. 369 = 3 * 3 * 41composite

Related questions

3 is a prime number.

3 is a prime.

prime

771 is a composite number. Its prime factors are 3, 257

69 is composite. Its prime factorization is 3 * 23.

3 is a prime number.4 is not a prime number. It is a composite number.

It is composite. It is divisible by 3.

213 is a composite number as it is divisible by 3.

423 is a composite number. Its prime factorisation is 3 x 3 x 47.

A prime number is 2 factors and a composite number is 3 or more!

composite because 3 and 5 will go into it

141 is a composite because 1, 3, and 47 goes in it

People also asked

Featured Questions