What is the Greatest Common Factor of 4820 and 4840?

Greatest common factor (GCF) of 4820 and 4840 is 20.

GCF(4820,4840) = 20

We will now calculate the prime factors of 4820 and 4840, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 4820 and 4840.

How to find the GCF of 4820 and 4840?

We will first find the prime factorization of 4820 and 4840. After we will calculate the factors of 4820 and 4840 and find the biggest common factor number .

Step-1: Prime Factorization of 4820

Prime factors of 4820 are 2, 5, 241. Prime factorization of 4820 in exponential form is:

4820 = 2² × 5¹ × 241¹

Step-2: Prime Factorization of 4840

Prime factors of 4840 are 2, 5, 11. Prime factorization of 4840 in exponential form is:

4840 = 2³ × 5¹ × 11²

Step-3: Factors of 4820

List of positive integer factors of 4820 that divides 4820 without a remainder.

1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410

Step-4: Factors of 4840

List of positive integer factors of 4840 that divides 4820 without a remainder.

1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 4820 and 4840. The biggest common factor number is the GCF number.
So the greatest common factor 4820 and 4840 is 20.

Also check out the Least Common Multiple of 4820 and 4840