The only common factor of 15 and 77 is 1.
The GCF of 15 and 77 is 1. The factors of 15 are 1, 3, 5, and 15. The factors of 77 are 1, 7, 11, and 77. The common factors are 1. Therefore the greatest common factor is 1, which means the two numbers are relatively prime. The greatest common factor can also be determined by prime factors. The prime factors of 15 are 3 and 5. The prime factors of 77 are 7 and 11. There are no common prime factors, so the two numbers are relatively prime, which means their only common factor is 1.
The factors of 15 are: 1, 3, 5, 15.The factors of 77 are: 1, 7, 11, 77.The common factor is: 1
There are no common factors of 77 because there cannot be common factors without two or more numbers to compare. Common factors are factors that the numbers being compared have in common. Examples: The common factors of 14 and 77 are 1 and 7. The common factors of 66 and 77 are 1 and 11. The common factors of 77 and 154 are 1, 7, 11, and 77.
Factors of 15: 1,3,5,15 Factors of 77: 1,7,11,77 Greatest common factor: 1
The common factors of 77 and 121 are 1 and 11.
Common factors of 77 and 385 are: 1, 7, 11, and 77.
The common factors of 42 and 77 are: 1 and 7
The common factors of 33 and 77 are 1 and 11
The factors of 77 are 1, 7, 11, 77. For them to be common, they need to be compared to another set of factors.
The factors of 77 are 1, 7, 11, 77. For them to be common, they need to be compared to another set of factors.
14: 1,2,7,14 77: 1,7,11,77 The common factors of 14 and 77 are 1 and 7.
Common factors of 77 and 217 are: 1 and 7.