What is the Greatest Common Factor of 30639 and 30653?

Greatest common factor (GCF) of 30639 and 30653 is 7.

GCF(30639,30653) = 7

We will now calculate the prime factors of 30639 and 30653, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30639 and 30653.

How to find the GCF of 30639 and 30653?

We will first find the prime factorization of 30639 and 30653. After we will calculate the factors of 30639 and 30653 and find the biggest common factor number .

Step-1: Prime Factorization of 30639

Prime factors of 30639 are 3, 7, 1459. Prime factorization of 30639 in exponential form is:

30639 = 3¹ × 7¹ × 1459¹

Step-2: Prime Factorization of 30653

Prime factors of 30653 are 7, 29, 151. Prime factorization of 30653 in exponential form is:

30653 = 7¹ × 29¹ × 151¹

Step-3: Factors of 30639

List of positive integer factors of 30639 that divides 30639 without a remainder.

1, 3, 7, 21, 1459, 4377, 10213

Step-4: Factors of 30653

List of positive integer factors of 30653 that divides 30639 without a remainder.

1, 7, 29, 151, 203, 1057, 4379

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30639 and 30653. The biggest common factor number is the GCF number.
So the greatest common factor 30639 and 30653 is 7.

Also check out the Least Common Multiple of 30639 and 30653