What is the Greatest Common Factor of 81616 and 81621?

Greatest common factor (GCF) of 81616 and 81621 is 1.

GCF(81616,81621) = 1

We will now calculate the prime factors of 81616 and 81621, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 81616 and 81621.

How to find the GCF of 81616 and 81621?

We will first find the prime factorization of 81616 and 81621. After we will calculate the factors of 81616 and 81621 and find the biggest common factor number .

Step-1: Prime Factorization of 81616

Prime factors of 81616 are 2, 5101. Prime factorization of 81616 in exponential form is:

81616 = 2⁴ × 5101¹

Step-2: Prime Factorization of 81621

Prime factors of 81621 are 3, 3023. Prime factorization of 81621 in exponential form is:

81621 = 3³ × 3023¹

Step-3: Factors of 81616

List of positive integer factors of 81616 that divides 81616 without a remainder.

1, 2, 4, 8, 16, 5101, 10202, 20404, 40808

Step-4: Factors of 81621

List of positive integer factors of 81621 that divides 81616 without a remainder.

1, 3, 9, 27, 3023, 9069, 27207

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 81616 and 81621. The biggest common factor number is the GCF number.
So the greatest common factor 81616 and 81621 is 1.

Also check out the Least Common Multiple of 81616 and 81621