What is the Greatest Common Factor of 71621 and 71639?

Greatest common factor (GCF) of 71621 and 71639 is 1.

GCF(71621,71639) = 1

We will now calculate the prime factors of 71621 and 71639, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 71621 and 71639.

How to find the GCF of 71621 and 71639?

We will first find the prime factorization of 71621 and 71639. After we will calculate the factors of 71621 and 71639 and find the biggest common factor number .

Step-1: Prime Factorization of 71621

Prime factors of 71621 are 11, 17, 383. Prime factorization of 71621 in exponential form is:

71621 = 11¹ × 17¹ × 383¹

Step-2: Prime Factorization of 71639

Prime factors of 71639 are 71, 1009. Prime factorization of 71639 in exponential form is:

71639 = 71¹ × 1009¹

Step-3: Factors of 71621

List of positive integer factors of 71621 that divides 71621 without a remainder.

1, 11, 17, 187, 383, 4213, 6511

Step-4: Factors of 71639

List of positive integer factors of 71639 that divides 71621 without a remainder.

1, 71, 1009

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 71621 and 71639. The biggest common factor number is the GCF number.
So the greatest common factor 71621 and 71639 is 1.

Also check out the Least Common Multiple of 71621 and 71639