What is the Greatest Common Factor of 86840 and 86856?

Greatest common factor (GCF) of 86840 and 86856 is 8.

GCF(86840,86856) = 8

We will now calculate the prime factors of 86840 and 86856, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 86840 and 86856.

How to find the GCF of 86840 and 86856?

We will first find the prime factorization of 86840 and 86856. After we will calculate the factors of 86840 and 86856 and find the biggest common factor number .

Step-1: Prime Factorization of 86840

Prime factors of 86840 are 2, 5, 13, 167. Prime factorization of 86840 in exponential form is:

86840 = 2³ × 5¹ × 13¹ × 167¹

Step-2: Prime Factorization of 86856

Prime factors of 86856 are 2, 3, 7, 11, 47. Prime factorization of 86856 in exponential form is:

86856 = 2³ × 3¹ × 7¹ × 11¹ × 47¹

Step-3: Factors of 86840

List of positive integer factors of 86840 that divides 86840 without a remainder.

1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 167, 260, 334, 520, 668, 835, 1336, 1670, 2171, 3340, 4342, 6680, 8684, 10855, 17368, 21710, 43420

Step-4: Factors of 86856

List of positive integer factors of 86856 that divides 86840 without a remainder.

1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 47, 56, 66, 77, 84, 88, 94, 132, 141, 154, 168, 188, 231, 264, 282, 308, 329, 376, 462, 517, 564, 616, 658, 924, 987, 1034, 1128, 1316, 1551, 1848, 1974, 2068, 2632, 3102, 3619, 3948, 4136, 6204, 7238, 7896, 10857, 12408, 14476, 21714, 28952, 43428

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 86840 and 86856. The biggest common factor number is the GCF number.
So the greatest common factor 86840 and 86856 is 8.

Also check out the Least Common Multiple of 86840 and 86856