What is the Greatest Common Factor of 87868 and 87880?

Greatest common factor (GCF) of 87868 and 87880 is 4.

GCF(87868,87880) = 4

We will now calculate the prime factors of 87868 and 87880, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 87868 and 87880.

How to find the GCF of 87868 and 87880?

We will first find the prime factorization of 87868 and 87880. After we will calculate the factors of 87868 and 87880 and find the biggest common factor number .

Step-1: Prime Factorization of 87868

Prime factors of 87868 are 2, 11, 1997. Prime factorization of 87868 in exponential form is:

87868 = 2² × 11¹ × 1997¹

Step-2: Prime Factorization of 87880

Prime factors of 87880 are 2, 5, 13. Prime factorization of 87880 in exponential form is:

87880 = 2³ × 5¹ × 13³

Step-3: Factors of 87868

List of positive integer factors of 87868 that divides 87868 without a remainder.

1, 2, 4, 11, 22, 44, 1997, 3994, 7988, 21967, 43934

Step-4: Factors of 87880

List of positive integer factors of 87880 that divides 87868 without a remainder.

1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 2197, 3380, 4394, 6760, 8788, 10985, 17576, 21970, 43940

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 87868 and 87880. The biggest common factor number is the GCF number.
So the greatest common factor 87868 and 87880 is 4.

Also check out the Least Common Multiple of 87868 and 87880