What is the Greatest Common Factor of 86945 and 86960?

Greatest common factor (GCF) of 86945 and 86960 is 5.

GCF(86945,86960) = 5

We will now calculate the prime factors of 86945 and 86960, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 86945 and 86960.

How to find the GCF of 86945 and 86960?

We will first find the prime factorization of 86945 and 86960. After we will calculate the factors of 86945 and 86960 and find the biggest common factor number .

Step-1: Prime Factorization of 86945

Prime factors of 86945 are 5, 17389. Prime factorization of 86945 in exponential form is:

86945 = 5¹ × 17389¹

Step-2: Prime Factorization of 86960

Prime factors of 86960 are 2, 5, 1087. Prime factorization of 86960 in exponential form is:

86960 = 2⁴ × 5¹ × 1087¹

Step-3: Factors of 86945

List of positive integer factors of 86945 that divides 86945 without a remainder.

1, 5, 17389

Step-4: Factors of 86960

List of positive integer factors of 86960 that divides 86945 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1087, 2174, 4348, 5435, 8696, 10870, 17392, 21740, 43480

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 86945 and 86960. The biggest common factor number is the GCF number.
So the greatest common factor 86945 and 86960 is 5.

Also check out the Least Common Multiple of 86945 and 86960