What is the Greatest Common Factor of 86961 and 86980?

Greatest common factor (GCF) of 86961 and 86980 is 1.

GCF(86961,86980) = 1

We will now calculate the prime factors of 86961 and 86980, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 86961 and 86980.

How to find the GCF of 86961 and 86980?

We will first find the prime factorization of 86961 and 86980. After we will calculate the factors of 86961 and 86980 and find the biggest common factor number .

Step-1: Prime Factorization of 86961

Prime factors of 86961 are 3, 7, 41, 101. Prime factorization of 86961 in exponential form is:

86961 = 3¹ × 7¹ × 41¹ × 101¹

Step-2: Prime Factorization of 86980

Prime factors of 86980 are 2, 5, 4349. Prime factorization of 86980 in exponential form is:

86980 = 2² × 5¹ × 4349¹

Step-3: Factors of 86961

List of positive integer factors of 86961 that divides 86961 without a remainder.

1, 3, 7, 21, 41, 101, 123, 287, 303, 707, 861, 2121, 4141, 12423, 28987

Step-4: Factors of 86980

List of positive integer factors of 86980 that divides 86961 without a remainder.

1, 2, 4, 5, 10, 20, 4349, 8698, 17396, 21745, 43490

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 86961 and 86980. The biggest common factor number is the GCF number.
So the greatest common factor 86961 and 86980 is 1.

Also check out the Least Common Multiple of 86961 and 86980