What is the Greatest Common Factor of 4860 and 4880?

Greatest common factor (GCF) of 4860 and 4880 is 20.

GCF(4860,4880) = 20

We will now calculate the prime factors of 4860 and 4880, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 4860 and 4880.

How to find the GCF of 4860 and 4880?

We will first find the prime factorization of 4860 and 4880. After we will calculate the factors of 4860 and 4880 and find the biggest common factor number .

Step-1: Prime Factorization of 4860

Prime factors of 4860 are 2, 3, 5. Prime factorization of 4860 in exponential form is:

4860 = 2² × 3⁵ × 5¹

Step-2: Prime Factorization of 4880

Prime factors of 4880 are 2, 5, 61. Prime factorization of 4880 in exponential form is:

4880 = 2⁴ × 5¹ × 61¹

Step-3: Factors of 4860

List of positive integer factors of 4860 that divides 4860 without a remainder.

1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430

Step-4: Factors of 4880

List of positive integer factors of 4880 that divides 4860 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 4860 and 4880. The biggest common factor number is the GCF number.
So the greatest common factor 4860 and 4880 is 20.

Also check out the Least Common Multiple of 4860 and 4880