What is the Greatest Common Factor of 77621 and 77630?

Greatest common factor (GCF) of 77621 and 77630 is 1.

GCF(77621,77630) = 1

We will now calculate the prime factors of 77621 and 77630, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77621 and 77630.

How to find the GCF of 77621 and 77630?

We will first find the prime factorization of 77621 and 77630. After we will calculate the factors of 77621 and 77630 and find the biggest common factor number .

Step-1: Prime Factorization of 77621

Prime factors of 77621 are 77621. Prime factorization of 77621 in exponential form is:

77621 = 77621¹

Step-2: Prime Factorization of 77630

Prime factors of 77630 are 2, 5, 7, 1109. Prime factorization of 77630 in exponential form is:

77630 = 2¹ × 5¹ × 7¹ × 1109¹

Step-3: Factors of 77621

List of positive integer factors of 77621 that divides 77621 without a remainder.

Step-4: Factors of 77630

List of positive integer factors of 77630 that divides 77621 without a remainder.

1, 2, 5, 7, 10, 14, 35, 70, 1109, 2218, 5545, 7763, 11090, 15526, 38815

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77621 and 77630. The biggest common factor number is the GCF number.
So the greatest common factor 77621 and 77630 is 1.

Also check out the Least Common Multiple of 77621 and 77630