What is the Greatest Common Factor of 51408 and 51420?

Greatest common factor (GCF) of 51408 and 51420 is 12.

GCF(51408,51420) = 12

We will now calculate the prime factors of 51408 and 51420, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 51408 and 51420.

How to find the GCF of 51408 and 51420?

We will first find the prime factorization of 51408 and 51420. After we will calculate the factors of 51408 and 51420 and find the biggest common factor number .

Step-1: Prime Factorization of 51408

Prime factors of 51408 are 2, 3, 7, 17. Prime factorization of 51408 in exponential form is:

51408 = 2⁴ × 3³ × 7¹ × 17¹

Step-2: Prime Factorization of 51420

Prime factors of 51420 are 2, 3, 5, 857. Prime factorization of 51420 in exponential form is:

51420 = 2² × 3¹ × 5¹ × 857¹

Step-3: Factors of 51408

List of positive integer factors of 51408 that divides 51408 without a remainder.

1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 27, 28, 34, 36, 42, 48, 51, 54, 56, 63, 68, 72, 84, 102, 108, 112, 119, 126, 136, 144, 153, 168, 189, 204, 216, 238, 252, 272, 306, 336, 357, 378, 408, 432, 459, 476, 504, 612, 714, 756, 816, 918, 952, 1008, 1071, 1224, 1428, 1512, 1836, 1904, 2142, 2448, 2856, 3024, 3213, 3672, 4284, 5712, 6426, 7344, 8568, 12852, 17136, 25704

Step-4: Factors of 51420

List of positive integer factors of 51420 that divides 51408 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 857, 1714, 2571, 3428, 4285, 5142, 8570, 10284, 12855, 17140, 25710

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 51408 and 51420. The biggest common factor number is the GCF number.
So the greatest common factor 51408 and 51420 is 12.

Also check out the Least Common Multiple of 51408 and 51420