What is the Greatest Common Factor of 47820 and 47828?

Greatest common factor (GCF) of 47820 and 47828 is 4.

GCF(47820,47828) = 4

We will now calculate the prime factors of 47820 and 47828, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 47820 and 47828.

How to find the GCF of 47820 and 47828?

We will first find the prime factorization of 47820 and 47828. After we will calculate the factors of 47820 and 47828 and find the biggest common factor number .

Step-1: Prime Factorization of 47820

Prime factors of 47820 are 2, 3, 5, 797. Prime factorization of 47820 in exponential form is:

47820 = 2² × 3¹ × 5¹ × 797¹

Step-2: Prime Factorization of 47828

Prime factors of 47828 are 2, 11, 1087. Prime factorization of 47828 in exponential form is:

47828 = 2² × 11¹ × 1087¹

Step-3: Factors of 47820

List of positive integer factors of 47820 that divides 47820 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 797, 1594, 2391, 3188, 3985, 4782, 7970, 9564, 11955, 15940, 23910

Step-4: Factors of 47828

List of positive integer factors of 47828 that divides 47820 without a remainder.

1, 2, 4, 11, 22, 44, 1087, 2174, 4348, 11957, 23914

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 47820 and 47828. The biggest common factor number is the GCF number.
So the greatest common factor 47820 and 47828 is 4.

Also check out the Least Common Multiple of 47820 and 47828