What is the Greatest Common Factor of 85465 and 85480?

Greatest common factor (GCF) of 85465 and 85480 is 5.

GCF(85465,85480) = 5

We will now calculate the prime factors of 85465 and 85480, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 85465 and 85480.

How to find the GCF of 85465 and 85480?

We will first find the prime factorization of 85465 and 85480. After we will calculate the factors of 85465 and 85480 and find the biggest common factor number .

Step-1: Prime Factorization of 85465

Prime factors of 85465 are 5, 17093. Prime factorization of 85465 in exponential form is:

85465 = 5¹ × 17093¹

Step-2: Prime Factorization of 85480

Prime factors of 85480 are 2, 5, 2137. Prime factorization of 85480 in exponential form is:

85480 = 2³ × 5¹ × 2137¹

Step-3: Factors of 85465

List of positive integer factors of 85465 that divides 85465 without a remainder.

1, 5, 17093

Step-4: Factors of 85480

List of positive integer factors of 85480 that divides 85465 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 2137, 4274, 8548, 10685, 17096, 21370, 42740

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 85465 and 85480. The biggest common factor number is the GCF number.
So the greatest common factor 85465 and 85480 is 5.

Also check out the Least Common Multiple of 85465 and 85480