What is the Greatest Common Factor of 15977 and 15988?

Greatest common factor (GCF) of 15977 and 15988 is 1.

GCF(15977,15988) = 1

We will now calculate the prime factors of 15977 and 15988, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15977 and 15988.

How to find the GCF of 15977 and 15988?

We will first find the prime factorization of 15977 and 15988. After we will calculate the factors of 15977 and 15988 and find the biggest common factor number .

Step-1: Prime Factorization of 15977

Prime factors of 15977 are 13, 1229. Prime factorization of 15977 in exponential form is:

15977 = 13¹ × 1229¹

Step-2: Prime Factorization of 15988

Prime factors of 15988 are 2, 7, 571. Prime factorization of 15988 in exponential form is:

15988 = 2² × 7¹ × 571¹

Step-3: Factors of 15977

List of positive integer factors of 15977 that divides 15977 without a remainder.

1, 13, 1229

Step-4: Factors of 15988

List of positive integer factors of 15988 that divides 15977 without a remainder.

1, 2, 4, 7, 14, 28, 571, 1142, 2284, 3997, 7994

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15977 and 15988. The biggest common factor number is the GCF number.
So the greatest common factor 15977 and 15988 is 1.

Also check out the Least Common Multiple of 15977 and 15988