What is the Greatest Common Factor of 87470 and 87485?

Greatest common factor (GCF) of 87470 and 87485 is 5.

GCF(87470,87485) = 5

We will now calculate the prime factors of 87470 and 87485, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 87470 and 87485.

How to find the GCF of 87470 and 87485?

We will first find the prime factorization of 87470 and 87485. After we will calculate the factors of 87470 and 87485 and find the biggest common factor number .

Step-1: Prime Factorization of 87470

Prime factors of 87470 are 2, 5, 8747. Prime factorization of 87470 in exponential form is:

87470 = 2¹ × 5¹ × 8747¹

Step-2: Prime Factorization of 87485

Prime factors of 87485 are 5, 17497. Prime factorization of 87485 in exponential form is:

87485 = 5¹ × 17497¹

Step-3: Factors of 87470

List of positive integer factors of 87470 that divides 87470 without a remainder.

1, 2, 5, 10, 8747, 17494, 43735

Step-4: Factors of 87485

List of positive integer factors of 87485 that divides 87470 without a remainder.

1, 5, 17497

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 87470 and 87485. The biggest common factor number is the GCF number.
So the greatest common factor 87470 and 87485 is 5.

Also check out the Least Common Multiple of 87470 and 87485