What is the Greatest Common Factor of 4940 and 4960?

Greatest common factor (GCF) of 4940 and 4960 is 20.

GCF(4940,4960) = 20

We will now calculate the prime factors of 4940 and 4960, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 4940 and 4960.

How to find the GCF of 4940 and 4960?

We will first find the prime factorization of 4940 and 4960. After we will calculate the factors of 4940 and 4960 and find the biggest common factor number .

Step-1: Prime Factorization of 4940

Prime factors of 4940 are 2, 5, 13, 19. Prime factorization of 4940 in exponential form is:

4940 = 2² × 5¹ × 13¹ × 19¹

Step-2: Prime Factorization of 4960

Prime factors of 4960 are 2, 5, 31. Prime factorization of 4960 in exponential form is:

4960 = 2⁵ × 5¹ × 31¹

Step-3: Factors of 4940

List of positive integer factors of 4940 that divides 4940 without a remainder.

1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470

Step-4: Factors of 4960

List of positive integer factors of 4960 that divides 4940 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 4940 and 4960. The biggest common factor number is the GCF number.
So the greatest common factor 4940 and 4960 is 20.

Also check out the Least Common Multiple of 4940 and 4960