What is the Greatest Common Factor of 86986 and 86991?

Greatest common factor (GCF) of 86986 and 86991 is 1.

GCF(86986,86991) = 1

We will now calculate the prime factors of 86986 and 86991, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 86986 and 86991.

How to find the GCF of 86986 and 86991?

We will first find the prime factorization of 86986 and 86991. After we will calculate the factors of 86986 and 86991 and find the biggest common factor number .

Step-1: Prime Factorization of 86986

Prime factors of 86986 are 2, 23, 31, 61. Prime factorization of 86986 in exponential form is:

86986 = 2¹ × 23¹ × 31¹ × 61¹

Step-2: Prime Factorization of 86991

Prime factors of 86991 are 3, 107, 271. Prime factorization of 86991 in exponential form is:

86991 = 3¹ × 107¹ × 271¹

Step-3: Factors of 86986

List of positive integer factors of 86986 that divides 86986 without a remainder.

1, 2, 23, 31, 46, 61, 62, 122, 713, 1403, 1426, 1891, 2806, 3782, 43493

Step-4: Factors of 86991

List of positive integer factors of 86991 that divides 86986 without a remainder.

1, 3, 107, 271, 321, 813, 28997

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 86986 and 86991. The biggest common factor number is the GCF number.
So the greatest common factor 86986 and 86991 is 1.

Also check out the Least Common Multiple of 86986 and 86991