What is the Greatest Common Factor of 73120 and 73140?

Greatest common factor (GCF) of 73120 and 73140 is 20.

GCF(73120,73140) = 20

We will now calculate the prime factors of 73120 and 73140, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 73120 and 73140.

How to find the GCF of 73120 and 73140?

We will first find the prime factorization of 73120 and 73140. After we will calculate the factors of 73120 and 73140 and find the biggest common factor number .

Step-1: Prime Factorization of 73120

Prime factors of 73120 are 2, 5, 457. Prime factorization of 73120 in exponential form is:

73120 = 2⁵ × 5¹ × 457¹

Step-2: Prime Factorization of 73140

Prime factors of 73140 are 2, 3, 5, 23, 53. Prime factorization of 73140 in exponential form is:

73140 = 2² × 3¹ × 5¹ × 23¹ × 53¹

Step-3: Factors of 73120

List of positive integer factors of 73120 that divides 73120 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 457, 914, 1828, 2285, 3656, 4570, 7312, 9140, 14624, 18280, 36560

Step-4: Factors of 73140

List of positive integer factors of 73140 that divides 73120 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 53, 60, 69, 92, 106, 115, 138, 159, 212, 230, 265, 276, 318, 345, 460, 530, 636, 690, 795, 1060, 1219, 1380, 1590, 2438, 3180, 3657, 4876, 6095, 7314, 12190, 14628, 18285, 24380, 36570

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 73120 and 73140. The biggest common factor number is the GCF number.
So the greatest common factor 73120 and 73140 is 20.

Also check out the Least Common Multiple of 73120 and 73140