What is the Greatest Common Factor of 51915 and 51920?

Greatest common factor (GCF) of 51915 and 51920 is 5.

GCF(51915,51920) = 5

We will now calculate the prime factors of 51915 and 51920, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 51915 and 51920.

How to find the GCF of 51915 and 51920?

We will first find the prime factorization of 51915 and 51920. After we will calculate the factors of 51915 and 51920 and find the biggest common factor number .

Step-1: Prime Factorization of 51915

Prime factors of 51915 are 3, 5, 3461. Prime factorization of 51915 in exponential form is:

51915 = 3¹ × 5¹ × 3461¹

Step-2: Prime Factorization of 51920

Prime factors of 51920 are 2, 5, 11, 59. Prime factorization of 51920 in exponential form is:

51920 = 2⁴ × 5¹ × 11¹ × 59¹

Step-3: Factors of 51915

List of positive integer factors of 51915 that divides 51915 without a remainder.

1, 3, 5, 15, 3461, 10383, 17305

Step-4: Factors of 51920

List of positive integer factors of 51920 that divides 51915 without a remainder.

1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 59, 80, 88, 110, 118, 176, 220, 236, 295, 440, 472, 590, 649, 880, 944, 1180, 1298, 2360, 2596, 3245, 4720, 5192, 6490, 10384, 12980, 25960

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 51915 and 51920. The biggest common factor number is the GCF number.
So the greatest common factor 51915 and 51920 is 5.

Also check out the Least Common Multiple of 51915 and 51920