What is the Greatest Common Factor of 87070 and 87075?

Greatest common factor (GCF) of 87070 and 87075 is 5.

GCF(87070,87075) = 5

We will now calculate the prime factors of 87070 and 87075, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 87070 and 87075.

How to find the GCF of 87070 and 87075?

We will first find the prime factorization of 87070 and 87075. After we will calculate the factors of 87070 and 87075 and find the biggest common factor number .

Step-1: Prime Factorization of 87070

Prime factors of 87070 are 2, 5, 8707. Prime factorization of 87070 in exponential form is:

87070 = 2¹ × 5¹ × 8707¹

Step-2: Prime Factorization of 87075

Prime factors of 87075 are 3, 5, 43. Prime factorization of 87075 in exponential form is:

87075 = 3⁴ × 5² × 43¹

Step-3: Factors of 87070

List of positive integer factors of 87070 that divides 87070 without a remainder.

1, 2, 5, 10, 8707, 17414, 43535

Step-4: Factors of 87075

List of positive integer factors of 87075 that divides 87070 without a remainder.

1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 81, 129, 135, 215, 225, 387, 405, 645, 675, 1075, 1161, 1935, 2025, 3225, 3483, 5805, 9675, 17415, 29025

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 87070 and 87075. The biggest common factor number is the GCF number.
So the greatest common factor 87070 and 87075 is 5.

Also check out the Least Common Multiple of 87070 and 87075