3 is a prime number. 4 and 10 are both composite numbers having 2 as a factor.
No. 10 is not a prime number, which means it cannot be a prime factor. It can be a factor, but not a prime factor.
The prime factor of 7 is 7. The prime factor of 8 is 2. The prime factor of 9 is 3. The prime factors of 10 are 2 and 5. The prime factor of 11 is 11.
2 + 3 + 5 = 10
3 is not a prime factor of 11.
Yes. Any time three is a factor, it is a prime factor.
Yes. The greatest common factor of 4 and 10 is 2, which is a prime number. The greatest common factor of 51 and 81 is 3, which is a prime number.
The prime factor of 5 is 5. The prime factors of 10 are 2 and 5.
Yes, 3 is a prime factor of 33.
10 2,5
The GCF of 10 and 45 is 5 The factors of 10 are 1, 2, 5, and 10. The factors of 45 are 1, 3, 5, 9, 15, and 45. The largest factor they have in common is 5, so 5 is the greatest common factor. Or, you can use prime factors. The prime factors of 10 are 2 and 5. The prime factors of 45 are 3, 3, and 5. The prime factors they have in common are a single 5, so 5 is the greatest common factor.
9 is not a prime factor, but it does have one prime factor, which is three. Prime factors are factors of a number that are prime.