What is the Greatest Common Factor of 61721 and 61725?

Greatest common factor (GCF) of 61721 and 61725 is 1.

GCF(61721,61725) = 1

We will now calculate the prime factors of 61721 and 61725, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61721 and 61725.

How to find the GCF of 61721 and 61725?

We will first find the prime factorization of 61721 and 61725. After we will calculate the factors of 61721 and 61725 and find the biggest common factor number .

Step-1: Prime Factorization of 61721

Prime factors of 61721 are 11, 31, 181. Prime factorization of 61721 in exponential form is:

61721 = 11¹ × 31¹ × 181¹

Step-2: Prime Factorization of 61725

Prime factors of 61725 are 3, 5, 823. Prime factorization of 61725 in exponential form is:

61725 = 3¹ × 5² × 823¹

Step-3: Factors of 61721

List of positive integer factors of 61721 that divides 61721 without a remainder.

1, 11, 31, 181, 341, 1991, 5611

Step-4: Factors of 61725

List of positive integer factors of 61725 that divides 61721 without a remainder.

1, 3, 5, 15, 25, 75, 823, 2469, 4115, 12345, 20575

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 61721 and 61725. The biggest common factor number is the GCF number.
So the greatest common factor 61721 and 61725 is 1.

Also check out the Least Common Multiple of 61721 and 61725