What is the Greatest Common Factor of 72420 and 72427?

Greatest common factor (GCF) of 72420 and 72427 is 1.

GCF(72420,72427) = 1

We will now calculate the prime factors of 72420 and 72427, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72420 and 72427.

How to find the GCF of 72420 and 72427?

We will first find the prime factorization of 72420 and 72427. After we will calculate the factors of 72420 and 72427 and find the biggest common factor number .

Step-1: Prime Factorization of 72420

Prime factors of 72420 are 2, 3, 5, 17, 71. Prime factorization of 72420 in exponential form is:

72420 = 2² × 3¹ × 5¹ × 17¹ × 71¹

Step-2: Prime Factorization of 72427

Prime factors of 72427 are 23, 47, 67. Prime factorization of 72427 in exponential form is:

72427 = 23¹ × 47¹ × 67¹

Step-3: Factors of 72420

List of positive integer factors of 72420 that divides 72420 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 71, 85, 102, 142, 170, 204, 213, 255, 284, 340, 355, 426, 510, 710, 852, 1020, 1065, 1207, 1420, 2130, 2414, 3621, 4260, 4828, 6035, 7242, 12070, 14484, 18105, 24140, 36210

Step-4: Factors of 72427

List of positive integer factors of 72427 that divides 72420 without a remainder.

1, 23, 47, 67, 1081, 1541, 3149

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72420 and 72427. The biggest common factor number is the GCF number.
So the greatest common factor 72420 and 72427 is 1.

Also check out the Least Common Multiple of 72420 and 72427