What is the Greatest Common Factor of 80615 and 80620?

Greatest common factor (GCF) of 80615 and 80620 is 5.

GCF(80615,80620) = 5

We will now calculate the prime factors of 80615 and 80620, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 80615 and 80620.

How to find the GCF of 80615 and 80620?

We will first find the prime factorization of 80615 and 80620. After we will calculate the factors of 80615 and 80620 and find the biggest common factor number .

Step-1: Prime Factorization of 80615

Prime factors of 80615 are 5, 23, 701. Prime factorization of 80615 in exponential form is:

80615 = 5¹ × 23¹ × 701¹

Step-2: Prime Factorization of 80620

Prime factors of 80620 are 2, 5, 29, 139. Prime factorization of 80620 in exponential form is:

80620 = 2² × 5¹ × 29¹ × 139¹

Step-3: Factors of 80615

List of positive integer factors of 80615 that divides 80615 without a remainder.

1, 5, 23, 115, 701, 3505, 16123

Step-4: Factors of 80620

List of positive integer factors of 80620 that divides 80615 without a remainder.

1, 2, 4, 5, 10, 20, 29, 58, 116, 139, 145, 278, 290, 556, 580, 695, 1390, 2780, 4031, 8062, 16124, 20155, 40310

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 80615 and 80620. The biggest common factor number is the GCF number.
So the greatest common factor 80615 and 80620 is 5.

Also check out the Least Common Multiple of 80615 and 80620