What is the Greatest Common Factor of 87385 and 87390?

Greatest common factor (GCF) of 87385 and 87390 is 5.

GCF(87385,87390) = 5

We will now calculate the prime factors of 87385 and 87390, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 87385 and 87390.

How to find the GCF of 87385 and 87390?

We will first find the prime factorization of 87385 and 87390. After we will calculate the factors of 87385 and 87390 and find the biggest common factor number .

Step-1: Prime Factorization of 87385

Prime factors of 87385 are 5, 17477. Prime factorization of 87385 in exponential form is:

87385 = 5¹ × 17477¹

Step-2: Prime Factorization of 87390

Prime factors of 87390 are 2, 3, 5, 971. Prime factorization of 87390 in exponential form is:

87390 = 2¹ × 3² × 5¹ × 971¹

Step-3: Factors of 87385

List of positive integer factors of 87385 that divides 87385 without a remainder.

1, 5, 17477

Step-4: Factors of 87390

List of positive integer factors of 87390 that divides 87385 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 971, 1942, 2913, 4855, 5826, 8739, 9710, 14565, 17478, 29130, 43695

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 87385 and 87390. The biggest common factor number is the GCF number.
So the greatest common factor 87385 and 87390 is 5.

Also check out the Least Common Multiple of 87385 and 87390