GCF and LCM Calculator Logo

What is the Greatest Common Factor of 15971 and 15979?

Greatest common factor (GCF) of 15971 and 15979 is 1.

GCF(15971,15979) = 1

We will now calculate the prime factors of 15971 and 15979, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15971 and 15979.

GCF Calculator and
and

How to find the GCF of 15971 and 15979?

We will first find the prime factorization of 15971 and 15979. After we will calculate the factors of 15971 and 15979 and find the biggest common factor number .

Step-1: Prime Factorization of 15971

Prime factors of 15971 are 15971. Prime factorization of 15971 in exponential form is:

15971 = 159711

Step-2: Prime Factorization of 15979

Prime factors of 15979 are 19, 29. Prime factorization of 15979 in exponential form is:

15979 = 191 × 292

Step-3: Factors of 15971

List of positive integer factors of 15971 that divides 15971 without a remainder.

1

Step-4: Factors of 15979

List of positive integer factors of 15979 that divides 15971 without a remainder.

1, 19, 29, 551, 841

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15971 and 15979. The biggest common factor number is the GCF number.
So the greatest common factor 15971 and 15979 is 1.

Also check out the Least Common Multiple of 15971 and 15979