What is the Greatest Common Factor of 77987 and 77997?

Greatest common factor (GCF) of 77987 and 77997 is 1.

GCF(77987,77997) = 1

We will now calculate the prime factors of 77987 and 77997, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77987 and 77997.

How to find the GCF of 77987 and 77997?

We will first find the prime factorization of 77987 and 77997. After we will calculate the factors of 77987 and 77997 and find the biggest common factor number .

Step-1: Prime Factorization of 77987

Prime factors of 77987 are 7, 13, 857. Prime factorization of 77987 in exponential form is:

77987 = 7¹ × 13¹ × 857¹

Step-2: Prime Factorization of 77997

Prime factors of 77997 are 3, 25999. Prime factorization of 77997 in exponential form is:

77997 = 3¹ × 25999¹

Step-3: Factors of 77987

List of positive integer factors of 77987 that divides 77987 without a remainder.

1, 7, 13, 91, 857, 5999, 11141

Step-4: Factors of 77997

List of positive integer factors of 77997 that divides 77987 without a remainder.

1, 3, 25999

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77987 and 77997. The biggest common factor number is the GCF number.
So the greatest common factor 77987 and 77997 is 1.

Also check out the Least Common Multiple of 77987 and 77997