What is the Greatest Common Factor of 30725 and 30730?

Greatest common factor (GCF) of 30725 and 30730 is 5.

GCF(30725,30730) = 5

We will now calculate the prime factors of 30725 and 30730, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30725 and 30730.

How to find the GCF of 30725 and 30730?

We will first find the prime factorization of 30725 and 30730. After we will calculate the factors of 30725 and 30730 and find the biggest common factor number .

Step-1: Prime Factorization of 30725

Prime factors of 30725 are 5, 1229. Prime factorization of 30725 in exponential form is:

30725 = 5² × 1229¹

Step-2: Prime Factorization of 30730

Prime factors of 30730 are 2, 5, 7, 439. Prime factorization of 30730 in exponential form is:

30730 = 2¹ × 5¹ × 7¹ × 439¹

Step-3: Factors of 30725

List of positive integer factors of 30725 that divides 30725 without a remainder.

1, 5, 25, 1229, 6145

Step-4: Factors of 30730

List of positive integer factors of 30730 that divides 30725 without a remainder.

1, 2, 5, 7, 10, 14, 35, 70, 439, 878, 2195, 3073, 4390, 6146, 15365

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30725 and 30730. The biggest common factor number is the GCF number.
So the greatest common factor 30725 and 30730 is 5.

Also check out the Least Common Multiple of 30725 and 30730