What is the Greatest Common Factor of 87885 and 87903?

Greatest common factor (GCF) of 87885 and 87903 is 9.

GCF(87885,87903) = 9

We will now calculate the prime factors of 87885 and 87903, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 87885 and 87903.

How to find the GCF of 87885 and 87903?

We will first find the prime factorization of 87885 and 87903. After we will calculate the factors of 87885 and 87903 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 87903

Prime factors of 87903 are 3, 9767. Prime factorization of 87903 in exponential form is:

87903 = 3² × 9767¹

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 87903

List of positive integer factors of 87903 that divides 87885 without a remainder.

1, 3, 9, 9767, 29301

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 87885 and 87903. The biggest common factor number is the GCF number.
So the greatest common factor 87885 and 87903 is 9.

Also check out the Least Common Multiple of 87885 and 87903