The common factors of 86 and 154 are: 1 and 2
86 and 154 are not relatively prime because they are both even numbers. Relatively prime numbers have no common factors other than 1, and all even numbers have 2 as a common factor.
The GCF of 86 and 154 is 2. 86=2x43 154 = 2x7x11 Now the GCF is 2 since 43 does not occur in the prime factorization of 154 and 7 and 11 do not appear in the prime factorization of 86.
2
It's 24
The factors of 86 are 1,2,43 and 86. For them to be common factors, you need another set of factors to compare them to.
The factors of 86 are: 1, 2, 43, 86The factors of 154 are: 1, 2, 7, 11, 14, 22, 77, 154The common factors are: 1, 2The Greatest Common Factor (GCF) is: 2
4
The GCF is 2.
The common factors of 72 and 86 are: 1 and 2
2 x 43 = 86 2 x 7 x 11 = 154 The GCF is 2.
86 2,43 154 77,2 11,7,2
The common factors are: 1, 2.