The common factors of 86 and 154 are: 1 and 2
The GCF is 2.
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.
The common factors of 84 and 154 are: 1, 2, 7, and 14
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 154 are 1, 2, 7, 11, 14, 22, 77, 154 For them to be common, they need to be compared to another set of factors.
The common factors of 72 and 86 are: 1 and 2
The common factors of 86 and 180 are: 1 and 2
It's 24
The factors of 86 are: 1, 2, 43, 86 The factors of 94 are: 1, 2, 47, 94 The common factors are: 1, 2
The GCF is 2.