What is the Greatest Common Factor of 87070 and 87090?

Greatest common factor (GCF) of 87070 and 87090 is 10.

GCF(87070,87090) = 10

We will now calculate the prime factors of 87070 and 87090, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 87070 and 87090.

How to find the GCF of 87070 and 87090?

We will first find the prime factorization of 87070 and 87090. After we will calculate the factors of 87070 and 87090 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 87090

Prime factors of 87090 are 2, 3, 5, 2903. Prime factorization of 87090 in exponential form is:

87090 = 2¹ × 3¹ × 5¹ × 2903¹

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 87090

List of positive integer factors of 87090 that divides 87070 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 2903, 5806, 8709, 14515, 17418, 29030, 43545

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 87070 and 87090. The biggest common factor number is the GCF number.
So the greatest common factor 87070 and 87090 is 10.

Also check out the Least Common Multiple of 87070 and 87090