What is the Greatest Common Factor of 42505 and 42525?

Greatest common factor (GCF) of 42505 and 42525 is 5.

GCF(42505,42525) = 5

We will now calculate the prime factors of 42505 and 42525, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42505 and 42525.

How to find the GCF of 42505 and 42525?

We will first find the prime factorization of 42505 and 42525. After we will calculate the factors of 42505 and 42525 and find the biggest common factor number .

Step-1: Prime Factorization of 42505

Prime factors of 42505 are 5, 8501. Prime factorization of 42505 in exponential form is:

42505 = 5¹ × 8501¹

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 42505

List of positive integer factors of 42505 that divides 42505 without a remainder.

1, 5, 8501

Step-4: Factors of 42525

List of positive integer factors of 42525 that divides 42505 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 42505 and 42525. The biggest common factor number is the GCF number.
So the greatest common factor 42505 and 42525 is 5.

Also check out the Least Common Multiple of 42505 and 42525