What is the Greatest Common Factor of 77045 and 77057?

Greatest common factor (GCF) of 77045 and 77057 is 1.

GCF(77045,77057) = 1

We will now calculate the prime factors of 77045 and 77057, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77045 and 77057.

How to find the GCF of 77045 and 77057?

We will first find the prime factorization of 77045 and 77057. After we will calculate the factors of 77045 and 77057 and find the biggest common factor number .

Step-1: Prime Factorization of 77045

Prime factors of 77045 are 5, 19, 811. Prime factorization of 77045 in exponential form is:

77045 = 5¹ × 19¹ × 811¹

Step-2: Prime Factorization of 77057

Prime factors of 77057 are 251, 307. Prime factorization of 77057 in exponential form is:

77057 = 251¹ × 307¹

Step-3: Factors of 77045

List of positive integer factors of 77045 that divides 77045 without a remainder.

1, 5, 19, 95, 811, 4055, 15409

Step-4: Factors of 77057

List of positive integer factors of 77057 that divides 77045 without a remainder.

1, 251, 307

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77045 and 77057. The biggest common factor number is the GCF number.
So the greatest common factor 77045 and 77057 is 1.

Also check out the Least Common Multiple of 77045 and 77057