What is the Greatest Common Factor of 86978 and 86998?

Greatest common factor (GCF) of 86978 and 86998 is 2.

GCF(86978,86998) = 2

We will now calculate the prime factors of 86978 and 86998, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 86978 and 86998.

How to find the GCF of 86978 and 86998?

We will first find the prime factorization of 86978 and 86998. After we will calculate the factors of 86978 and 86998 and find the biggest common factor number .

Step-1: Prime Factorization of 86978

Prime factors of 86978 are 2, 157, 277. Prime factorization of 86978 in exponential form is:

86978 = 2¹ × 157¹ × 277¹

Step-2: Prime Factorization of 86998

Prime factors of 86998 are 2, 43499. Prime factorization of 86998 in exponential form is:

86998 = 2¹ × 43499¹

Step-3: Factors of 86978

List of positive integer factors of 86978 that divides 86978 without a remainder.

1, 2, 157, 277, 314, 554, 43489

Step-4: Factors of 86998

List of positive integer factors of 86998 that divides 86978 without a remainder.

1, 2, 43499

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 86978 and 86998. The biggest common factor number is the GCF number.
So the greatest common factor 86978 and 86998 is 2.

Also check out the Least Common Multiple of 86978 and 86998