What is the Greatest Common Factor of 75129 and 75140?

Greatest common factor (GCF) of 75129 and 75140 is 1.

GCF(75129,75140) = 1

We will now calculate the prime factors of 75129 and 75140, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 75129 and 75140.

How to find the GCF of 75129 and 75140?

We will first find the prime factorization of 75129 and 75140. After we will calculate the factors of 75129 and 75140 and find the biggest common factor number .

Step-1: Prime Factorization of 75129

Prime factors of 75129 are 3, 79, 317. Prime factorization of 75129 in exponential form is:

75129 = 3¹ × 79¹ × 317¹

Step-2: Prime Factorization of 75140

Prime factors of 75140 are 2, 5, 13, 17. Prime factorization of 75140 in exponential form is:

75140 = 2² × 5¹ × 13¹ × 17²

Step-3: Factors of 75129

List of positive integer factors of 75129 that divides 75129 without a remainder.

1, 3, 79, 237, 317, 951, 25043

Step-4: Factors of 75140

List of positive integer factors of 75140 that divides 75129 without a remainder.

1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 289, 340, 442, 578, 884, 1105, 1156, 1445, 2210, 2890, 3757, 4420, 5780, 7514, 15028, 18785, 37570

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 75129 and 75140. The biggest common factor number is the GCF number.
So the greatest common factor 75129 and 75140 is 1.

Also check out the Least Common Multiple of 75129 and 75140