What is the Greatest Common Factor of 31721 and 31725?

Greatest common factor (GCF) of 31721 and 31725 is 1.

GCF(31721,31725) = 1

We will now calculate the prime factors of 31721 and 31725, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31721 and 31725.

How to find the GCF of 31721 and 31725?

We will first find the prime factorization of 31721 and 31725. After we will calculate the factors of 31721 and 31725 and find the biggest common factor number .

Step-1: Prime Factorization of 31721

Prime factors of 31721 are 31721. Prime factorization of 31721 in exponential form is:

31721 = 31721¹

Step-2: Prime Factorization of 31725

Prime factors of 31725 are 3, 5, 47. Prime factorization of 31725 in exponential form is:

31725 = 3³ × 5² × 47¹

Step-3: Factors of 31721

List of positive integer factors of 31721 that divides 31721 without a remainder.

Step-4: Factors of 31725

List of positive integer factors of 31725 that divides 31721 without a remainder.

1, 3, 5, 9, 15, 25, 27, 45, 47, 75, 135, 141, 225, 235, 423, 675, 705, 1175, 1269, 2115, 3525, 6345, 10575

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31721 and 31725. The biggest common factor number is the GCF number.
So the greatest common factor 31721 and 31725 is 1.

Also check out the Least Common Multiple of 31721 and 31725