What is the Greatest Common Factor of 87885 and 87891?

Greatest common factor (GCF) of 87885 and 87891 is 3.

GCF(87885,87891) = 3

We will now calculate the prime factors of 87885 and 87891, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 87885 and 87891.

How to find the GCF of 87885 and 87891?

We will first find the prime factorization of 87885 and 87891. After we will calculate the factors of 87885 and 87891 and find the biggest common factor number .

Step-1: Prime Factorization of 87885

Prime factors of 87885 are 3, 5, 7, 31. Prime factorization of 87885 in exponential form is:

87885 = 3⁴ × 5¹ × 7¹ × 31¹

Step-2: Prime Factorization of 87891

Prime factors of 87891 are 3, 29297. Prime factorization of 87891 in exponential form is:

87891 = 3¹ × 29297¹

Step-3: Factors of 87885

List of positive integer factors of 87885 that divides 87885 without a remainder.

1, 3, 5, 7, 9, 15, 21, 27, 31, 35, 45, 63, 81, 93, 105, 135, 155, 189, 217, 279, 315, 405, 465, 567, 651, 837, 945, 1085, 1395, 1953, 2511, 2835, 3255, 4185, 5859, 9765, 12555, 17577, 29295

Step-4: Factors of 87891

List of positive integer factors of 87891 that divides 87885 without a remainder.

1, 3, 29297

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 87885 and 87891. The biggest common factor number is the GCF number.
So the greatest common factor 87885 and 87891 is 3.

Also check out the Least Common Multiple of 87885 and 87891