What is the Greatest Common Factor of 30605 and 30621?

Greatest common factor (GCF) of 30605 and 30621 is 1.

GCF(30605,30621) = 1

We will now calculate the prime factors of 30605 and 30621, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30605 and 30621.

How to find the GCF of 30605 and 30621?

We will first find the prime factorization of 30605 and 30621. After we will calculate the factors of 30605 and 30621 and find the biggest common factor number .

Step-1: Prime Factorization of 30605

Prime factors of 30605 are 5, 6121. Prime factorization of 30605 in exponential form is:

30605 = 5¹ × 6121¹

Step-2: Prime Factorization of 30621

Prime factors of 30621 are 3, 59, 173. Prime factorization of 30621 in exponential form is:

30621 = 3¹ × 59¹ × 173¹

Step-3: Factors of 30605

List of positive integer factors of 30605 that divides 30605 without a remainder.

1, 5, 6121

Step-4: Factors of 30621

List of positive integer factors of 30621 that divides 30605 without a remainder.

1, 3, 59, 173, 177, 519, 10207

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30605 and 30621. The biggest common factor number is the GCF number.
So the greatest common factor 30605 and 30621 is 1.

Also check out the Least Common Multiple of 30605 and 30621