What is the Greatest Common Factor of 75271 and 75285?

Greatest common factor (GCF) of 75271 and 75285 is 7.

GCF(75271,75285) = 7

We will now calculate the prime factors of 75271 and 75285, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 75271 and 75285.

How to find the GCF of 75271 and 75285?

We will first find the prime factorization of 75271 and 75285. After we will calculate the factors of 75271 and 75285 and find the biggest common factor number .

Step-1: Prime Factorization of 75271

Prime factors of 75271 are 7, 10753. Prime factorization of 75271 in exponential form is:

75271 = 7¹ × 10753¹

Step-2: Prime Factorization of 75285

Prime factors of 75285 are 3, 5, 7, 239. Prime factorization of 75285 in exponential form is:

75285 = 3² × 5¹ × 7¹ × 239¹

Step-3: Factors of 75271

List of positive integer factors of 75271 that divides 75271 without a remainder.

1, 7, 10753

Step-4: Factors of 75285

List of positive integer factors of 75285 that divides 75271 without a remainder.

1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 239, 315, 717, 1195, 1673, 2151, 3585, 5019, 8365, 10755, 15057, 25095

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 75271 and 75285. The biggest common factor number is the GCF number.
So the greatest common factor 75271 and 75285 is 7.

Also check out the Least Common Multiple of 75271 and 75285