GCF and LCM Calculator Logo

What is the Greatest Common Factor of 15923 and 15942?

Greatest common factor (GCF) of 15923 and 15942 is 1.

GCF(15923,15942) = 1

We will now calculate the prime factors of 15923 and 15942, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15923 and 15942.

GCF Calculator and
and

How to find the GCF of 15923 and 15942?

We will first find the prime factorization of 15923 and 15942. After we will calculate the factors of 15923 and 15942 and find the biggest common factor number .

Step-1: Prime Factorization of 15923

Prime factors of 15923 are 15923. Prime factorization of 15923 in exponential form is:

15923 = 159231

Step-2: Prime Factorization of 15942

Prime factors of 15942 are 2, 3, 2657. Prime factorization of 15942 in exponential form is:

15942 = 21 × 31 × 26571

Step-3: Factors of 15923

List of positive integer factors of 15923 that divides 15923 without a remainder.

1

Step-4: Factors of 15942

List of positive integer factors of 15942 that divides 15923 without a remainder.

1, 2, 3, 6, 2657, 5314, 7971

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15923 and 15942. The biggest common factor number is the GCF number.
So the greatest common factor 15923 and 15942 is 1.

Also check out the Least Common Multiple of 15923 and 15942