What is the Greatest Common Factor of 5625 and 5645?

Greatest common factor (GCF) of 5625 and 5645 is 5.

GCF(5625,5645) = 5

We will now calculate the prime factors of 5625 and 5645, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 5625 and 5645.

How to find the GCF of 5625 and 5645?

We will first find the prime factorization of 5625 and 5645. After we will calculate the factors of 5625 and 5645 and find the biggest common factor number .

Step-1: Prime Factorization of 5625

Prime factors of 5625 are 3, 5. Prime factorization of 5625 in exponential form is:

5625 = 3² × 5⁴

Step-2: Prime Factorization of 5645

Prime factors of 5645 are 5, 1129. Prime factorization of 5645 in exponential form is:

5645 = 5¹ × 1129¹

Step-3: Factors of 5625

List of positive integer factors of 5625 that divides 5625 without a remainder.

1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 625, 1125, 1875

Step-4: Factors of 5645

List of positive integer factors of 5645 that divides 5625 without a remainder.

1, 5, 1129

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 5625 and 5645. The biggest common factor number is the GCF number.
So the greatest common factor 5625 and 5645 is 5.

Also check out the Least Common Multiple of 5625 and 5645