No.
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.
No.
2
4
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 of 86 and 154 are: 1 and 2
no 86 is not prime
The prime factors of 154 are: 2 x 7 x 11 = 154
prime factors of 86: 2, 43 prime factorization of 86: 2 x 43
No. 154 is a composite number.