What is the Greatest Common Factor of 71921 and 71938?

Greatest common factor (GCF) of 71921 and 71938 is 1.

GCF(71921,71938) = 1

We will now calculate the prime factors of 71921 and 71938, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 71921 and 71938.

How to find the GCF of 71921 and 71938?

We will first find the prime factorization of 71921 and 71938. After we will calculate the factors of 71921 and 71938 and find the biggest common factor number .

Step-1: Prime Factorization of 71921

Prime factors of 71921 are 23, 53, 59. Prime factorization of 71921 in exponential form is:

71921 = 23¹ × 53¹ × 59¹

Step-2: Prime Factorization of 71938

Prime factors of 71938 are 2, 35969. Prime factorization of 71938 in exponential form is:

71938 = 2¹ × 35969¹

Step-3: Factors of 71921

List of positive integer factors of 71921 that divides 71921 without a remainder.

1, 23, 53, 59, 1219, 1357, 3127

Step-4: Factors of 71938

List of positive integer factors of 71938 that divides 71921 without a remainder.

1, 2, 35969

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 71921 and 71938. The biggest common factor number is the GCF number.
So the greatest common factor 71921 and 71938 is 1.

Also check out the Least Common Multiple of 71921 and 71938