What is the Greatest Common Factor of 61921 and 61939?

Greatest common factor (GCF) of 61921 and 61939 is 1.

GCF(61921,61939) = 1

We will now calculate the prime factors of 61921 and 61939, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61921 and 61939.

How to find the GCF of 61921 and 61939?

We will first find the prime factorization of 61921 and 61939. After we will calculate the factors of 61921 and 61939 and find the biggest common factor number .

Step-1: Prime Factorization of 61921

Prime factors of 61921 are 19, 3259. Prime factorization of 61921 in exponential form is:

61921 = 19¹ × 3259¹

Step-2: Prime Factorization of 61939

Prime factors of 61939 are 23, 2693. Prime factorization of 61939 in exponential form is:

61939 = 23¹ × 2693¹

Step-3: Factors of 61921

List of positive integer factors of 61921 that divides 61921 without a remainder.

1, 19, 3259

Step-4: Factors of 61939

List of positive integer factors of 61939 that divides 61921 without a remainder.

1, 23, 2693

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 61921 and 61939. The biggest common factor number is the GCF number.
So the greatest common factor 61921 and 61939 is 1.

Also check out the Least Common Multiple of 61921 and 61939