What is the Greatest Common Factor of 30625 and 30638?

Greatest common factor (GCF) of 30625 and 30638 is 1.

GCF(30625,30638) = 1

We will now calculate the prime factors of 30625 and 30638, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30625 and 30638.

How to find the GCF of 30625 and 30638?

We will first find the prime factorization of 30625 and 30638. After we will calculate the factors of 30625 and 30638 and find the biggest common factor number .

Step-1: Prime Factorization of 30625

Prime factors of 30625 are 5, 7. Prime factorization of 30625 in exponential form is:

30625 = 5⁴ × 7²

Step-2: Prime Factorization of 30638

Prime factors of 30638 are 2, 15319. Prime factorization of 30638 in exponential form is:

30638 = 2¹ × 15319¹

Step-3: Factors of 30625

List of positive integer factors of 30625 that divides 30625 without a remainder.

1, 5, 7, 25, 35, 49, 125, 175, 245, 625, 875, 1225, 4375, 6125

Step-4: Factors of 30638

List of positive integer factors of 30638 that divides 30625 without a remainder.

1, 2, 15319

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30625 and 30638. The biggest common factor number is the GCF number.
So the greatest common factor 30625 and 30638 is 1.

Also check out the Least Common Multiple of 30625 and 30638