What is the Greatest Common Factor of 25515 and 25535?

Greatest common factor (GCF) of 25515 and 25535 is 5.

GCF(25515,25535) = 5

We will now calculate the prime factors of 25515 and 25535, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25515 and 25535.

How to find the GCF of 25515 and 25535?

We will first find the prime factorization of 25515 and 25535. After we will calculate the factors of 25515 and 25535 and find the biggest common factor number .

Step-1: Prime Factorization of 25515

Prime factors of 25515 are 3, 5, 7. Prime factorization of 25515 in exponential form is:

25515 = 3⁶ × 5¹ × 7¹

Step-2: Prime Factorization of 25535

Prime factors of 25535 are 5, 5107. Prime factorization of 25535 in exponential form is:

25535 = 5¹ × 5107¹

Step-3: Factors of 25515

List of positive integer factors of 25515 that divides 25515 without a remainder.

1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 729, 945, 1215, 1701, 2835, 3645, 5103, 8505

Step-4: Factors of 25535

List of positive integer factors of 25535 that divides 25515 without a remainder.

1, 5, 5107

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25515 and 25535. The biggest common factor number is the GCF number.
So the greatest common factor 25515 and 25535 is 5.

Also check out the Least Common Multiple of 25515 and 25535