What is the Greatest Common Factor of 86943 and 86961?

Greatest common factor (GCF) of 86943 and 86961 is 3.

GCF(86943,86961) = 3

We will now calculate the prime factors of 86943 and 86961, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 86943 and 86961.

How to find the GCF of 86943 and 86961?

We will first find the prime factorization of 86943 and 86961. After we will calculate the factors of 86943 and 86961 and find the biggest common factor number .

Step-1: Prime Factorization of 86943

Prime factors of 86943 are 3, 73, 397. Prime factorization of 86943 in exponential form is:

86943 = 3¹ × 73¹ × 397¹

Step-2: 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-3: Factors of 86943

List of positive integer factors of 86943 that divides 86943 without a remainder.

1, 3, 73, 219, 397, 1191, 28981

Step-4: Factors of 86961

List of positive integer factors of 86961 that divides 86943 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 86943 and 86961. The biggest common factor number is the GCF number.
So the greatest common factor 86943 and 86961 is 3.

Also check out the Least Common Multiple of 86943 and 86961