What is the Greatest Common Factor of 26860 and 26880?

Greatest common factor (GCF) of 26860 and 26880 is 20.

GCF(26860,26880) = 20

We will now calculate the prime factors of 26860 and 26880, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 26860 and 26880.

How to find the GCF of 26860 and 26880?

We will first find the prime factorization of 26860 and 26880. After we will calculate the factors of 26860 and 26880 and find the biggest common factor number .

Step-1: Prime Factorization of 26860

Prime factors of 26860 are 2, 5, 17, 79. Prime factorization of 26860 in exponential form is:

26860 = 2² × 5¹ × 17¹ × 79¹

Step-2: Prime Factorization of 26880

Prime factors of 26880 are 2, 3, 5, 7. Prime factorization of 26880 in exponential form is:

26880 = 2⁸ × 3¹ × 5¹ × 7¹

Step-3: Factors of 26860

List of positive integer factors of 26860 that divides 26860 without a remainder.

1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 790, 1343, 1580, 2686, 5372, 6715, 13430

Step-4: Factors of 26880

List of positive integer factors of 26880 that divides 26860 without a remainder.

1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 13440

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 26860 and 26880. The biggest common factor number is the GCF number.
So the greatest common factor 26860 and 26880 is 20.

Also check out the Least Common Multiple of 26860 and 26880