What is the Greatest Common Factor of 77650 and 77670?

Greatest common factor (GCF) of 77650 and 77670 is 10.

GCF(77650,77670) = 10

We will now calculate the prime factors of 77650 and 77670, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77650 and 77670.

How to find the GCF of 77650 and 77670?

We will first find the prime factorization of 77650 and 77670. After we will calculate the factors of 77650 and 77670 and find the biggest common factor number .

Step-1: Prime Factorization of 77650

Prime factors of 77650 are 2, 5, 1553. Prime factorization of 77650 in exponential form is:

77650 = 2¹ × 5² × 1553¹

Step-2: Prime Factorization of 77670

Prime factors of 77670 are 2, 3, 5, 863. Prime factorization of 77670 in exponential form is:

77670 = 2¹ × 3² × 5¹ × 863¹

Step-3: Factors of 77650

List of positive integer factors of 77650 that divides 77650 without a remainder.

1, 2, 5, 10, 25, 50, 1553, 3106, 7765, 15530, 38825

Step-4: Factors of 77670

List of positive integer factors of 77670 that divides 77650 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 863, 1726, 2589, 4315, 5178, 7767, 8630, 12945, 15534, 25890, 38835

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77650 and 77670. The biggest common factor number is the GCF number.
So the greatest common factor 77650 and 77670 is 10.

Also check out the Least Common Multiple of 77650 and 77670