What is the Greatest Common Factor of 86970 and 86979?

Greatest common factor (GCF) of 86970 and 86979 is 3.

GCF(86970,86979) = 3

We will now calculate the prime factors of 86970 and 86979, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 86970 and 86979.

How to find the GCF of 86970 and 86979?

We will first find the prime factorization of 86970 and 86979. After we will calculate the factors of 86970 and 86979 and find the biggest common factor number .

Step-1: Prime Factorization of 86970

Prime factors of 86970 are 2, 3, 5, 13, 223. Prime factorization of 86970 in exponential form is:

86970 = 2¹ × 3¹ × 5¹ × 13¹ × 223¹

Step-2: Prime Factorization of 86979

Prime factors of 86979 are 3, 79, 367. Prime factorization of 86979 in exponential form is:

86979 = 3¹ × 79¹ × 367¹

Step-3: Factors of 86970

List of positive integer factors of 86970 that divides 86970 without a remainder.

1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 223, 390, 446, 669, 1115, 1338, 2230, 2899, 3345, 5798, 6690, 8697, 14495, 17394, 28990, 43485

Step-4: Factors of 86979

List of positive integer factors of 86979 that divides 86970 without a remainder.

1, 3, 79, 237, 367, 1101, 28993

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 86970 and 86979. The biggest common factor number is the GCF number.
So the greatest common factor 86970 and 86979 is 3.

Also check out the Least Common Multiple of 86970 and 86979