Since 3 and 5 are both prime numbers, the only common factor of the two numbers is 1. Perhaps you are thinking of common multiples, the first two common multiples of the two numbers are 15 and 30.
Chat with our AI personalities
No. Prime factors of 27: 3 3 3 Prime factors of 45: 3 3 5 Both have two factors of 3, so the greatest common factor is 9.
The two common factors of 6 and 9 are 1 and 3.
All numbers have factors. Some numbers have some of the same factors as other numbers. These are known as common factors. 3 is a factor of 9. 3 is a factor of 15. 3 is a common factor of 9 and 15.
Factors of 81 are [3 3 3 3] Factors of 75 are [3 5 5] Common factors [3] ■
Common factors of 3 and 25 are: 1.