GCF and LCM Calculator Logo

What is the Greatest Common Factor of 25972 and 25981?

Greatest common factor (GCF) of 25972 and 25981 is 1.

GCF(25972,25981) = 1

We will now calculate the prime factors of 25972 and 25981, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25972 and 25981.

GCF Calculator and
and

How to find the GCF of 25972 and 25981?

We will first find the prime factorization of 25972 and 25981. After we will calculate the factors of 25972 and 25981 and find the biggest common factor number .

Step-1: Prime Factorization of 25972

Prime factors of 25972 are 2, 43, 151. Prime factorization of 25972 in exponential form is:

25972 = 22 × 431 × 1511

Step-2: Prime Factorization of 25981

Prime factors of 25981 are 25981. Prime factorization of 25981 in exponential form is:

25981 = 259811

Step-3: Factors of 25972

List of positive integer factors of 25972 that divides 25972 without a remainder.

1, 2, 4, 43, 86, 151, 172, 302, 604, 6493, 12986

Step-4: Factors of 25981

List of positive integer factors of 25981 that divides 25972 without a remainder.

1

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25972 and 25981. The biggest common factor number is the GCF number.
So the greatest common factor 25972 and 25981 is 1.

Also check out the Least Common Multiple of 25972 and 25981