What is the Greatest Common Factor of 30420 and 30427?

Greatest common factor (GCF) of 30420 and 30427 is 1.

GCF(30420,30427) = 1

We will now calculate the prime factors of 30420 and 30427, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30420 and 30427.

How to find the GCF of 30420 and 30427?

We will first find the prime factorization of 30420 and 30427. After we will calculate the factors of 30420 and 30427 and find the biggest common factor number .

Step-1: Prime Factorization of 30420

Prime factors of 30420 are 2, 3, 5, 13. Prime factorization of 30420 in exponential form is:

30420 = 2² × 3² × 5¹ × 13²

Step-2: Prime Factorization of 30427

Prime factors of 30427 are 30427. Prime factorization of 30427 in exponential form is:

30427 = 30427¹

Step-3: Factors of 30420

List of positive integer factors of 30420 that divides 30420 without a remainder.

1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 169, 180, 195, 234, 260, 338, 390, 468, 507, 585, 676, 780, 845, 1014, 1170, 1521, 1690, 2028, 2340, 2535, 3042, 3380, 5070, 6084, 7605, 10140, 15210

Step-4: Factors of 30427

List of positive integer factors of 30427 that divides 30420 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30420 and 30427. The biggest common factor number is the GCF number.
So the greatest common factor 30420 and 30427 is 1.

Also check out the Least Common Multiple of 30420 and 30427