What is the Greatest Common Factor of 86742 and 86751?

Greatest common factor (GCF) of 86742 and 86751 is 9.

GCF(86742,86751) = 9

We will now calculate the prime factors of 86742 and 86751, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 86742 and 86751.

How to find the GCF of 86742 and 86751?

We will first find the prime factorization of 86742 and 86751. After we will calculate the factors of 86742 and 86751 and find the biggest common factor number .

Step-1: Prime Factorization of 86742

Prime factors of 86742 are 2, 3, 61, 79. Prime factorization of 86742 in exponential form is:

86742 = 2¹ × 3² × 61¹ × 79¹

Step-2: Prime Factorization of 86751

Prime factors of 86751 are 3, 7, 17. Prime factorization of 86751 in exponential form is:

86751 = 3⁶ × 7¹ × 17¹

Step-3: Factors of 86742

List of positive integer factors of 86742 that divides 86742 without a remainder.

1, 2, 3, 6, 9, 18, 61, 79, 122, 158, 183, 237, 366, 474, 549, 711, 1098, 1422, 4819, 9638, 14457, 28914, 43371

Step-4: Factors of 86751

List of positive integer factors of 86751 that divides 86742 without a remainder.

1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 243, 357, 459, 567, 729, 1071, 1377, 1701, 3213, 4131, 5103, 9639, 12393, 28917

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 86742 and 86751. The biggest common factor number is the GCF number.
So the greatest common factor 86742 and 86751 is 9.

Also check out the Least Common Multiple of 86742 and 86751