What is the Greatest Common Factor of 66870 and 66887?

Greatest common factor (GCF) of 66870 and 66887 is 1.

GCF(66870,66887) = 1

We will now calculate the prime factors of 66870 and 66887, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66870 and 66887.

How to find the GCF of 66870 and 66887?

We will first find the prime factorization of 66870 and 66887. After we will calculate the factors of 66870 and 66887 and find the biggest common factor number .

Step-1: Prime Factorization of 66870

Prime factors of 66870 are 2, 3, 5, 743. Prime factorization of 66870 in exponential form is:

66870 = 2¹ × 3² × 5¹ × 743¹

Step-2: Prime Factorization of 66887

Prime factors of 66887 are 211, 317. Prime factorization of 66887 in exponential form is:

66887 = 211¹ × 317¹

Step-3: Factors of 66870

List of positive integer factors of 66870 that divides 66870 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 743, 1486, 2229, 3715, 4458, 6687, 7430, 11145, 13374, 22290, 33435

Step-4: Factors of 66887

List of positive integer factors of 66887 that divides 66870 without a remainder.

1, 211, 317

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66870 and 66887. The biggest common factor number is the GCF number.
So the greatest common factor 66870 and 66887 is 1.

Also check out the Least Common Multiple of 66870 and 66887