What is the Greatest Common Factor of 42507 and 42525?

Greatest common factor (GCF) of 42507 and 42525 is 9.

GCF(42507,42525) = 9

We will now calculate the prime factors of 42507 and 42525, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42507 and 42525.

How to find the GCF of 42507 and 42525?

We will first find the prime factorization of 42507 and 42525. After we will calculate the factors of 42507 and 42525 and find the biggest common factor number .

Step-1: Prime Factorization of 42507

Prime factors of 42507 are 3, 4723. Prime factorization of 42507 in exponential form is:

42507 = 3² × 4723¹

Step-2: Prime Factorization of 42525

Prime factors of 42525 are 3, 5, 7. Prime factorization of 42525 in exponential form is:

42525 = 3⁵ × 5² × 7¹

Step-3: Factors of 42507

List of positive integer factors of 42507 that divides 42507 without a remainder.

1, 3, 9, 4723, 14169

Step-4: Factors of 42525

List of positive integer factors of 42525 that divides 42507 without a remainder.

1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 81, 105, 135, 175, 189, 225, 243, 315, 405, 525, 567, 675, 945, 1215, 1575, 1701, 2025, 2835, 4725, 6075, 8505, 14175

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42507 and 42525. The biggest common factor number is the GCF number.
So the greatest common factor 42507 and 42525 is 9.

Also check out the Least Common Multiple of 42507 and 42525