What is the Greatest Common Factor of 72534 and 72540?

Greatest common factor (GCF) of 72534 and 72540 is 6.

GCF(72534,72540) = 6

We will now calculate the prime factors of 72534 and 72540, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72534 and 72540.

How to find the GCF of 72534 and 72540?

We will first find the prime factorization of 72534 and 72540. After we will calculate the factors of 72534 and 72540 and find the biggest common factor number .

Step-1: Prime Factorization of 72534

Prime factors of 72534 are 2, 3, 7, 11, 157. Prime factorization of 72534 in exponential form is:

72534 = 2¹ × 3¹ × 7¹ × 11¹ × 157¹

Step-2: Prime Factorization of 72540

Prime factors of 72540 are 2, 3, 5, 13, 31. Prime factorization of 72540 in exponential form is:

72540 = 2² × 3² × 5¹ × 13¹ × 31¹

Step-3: Factors of 72534

List of positive integer factors of 72534 that divides 72534 without a remainder.

1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 157, 231, 314, 462, 471, 942, 1099, 1727, 2198, 3297, 3454, 5181, 6594, 10362, 12089, 24178, 36267

Step-4: Factors of 72540

List of positive integer factors of 72540 that divides 72534 without a remainder.

1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 279, 310, 372, 390, 403, 465, 468, 558, 585, 620, 780, 806, 930, 1116, 1170, 1209, 1395, 1612, 1860, 2015, 2340, 2418, 2790, 3627, 4030, 4836, 5580, 6045, 7254, 8060, 12090, 14508, 18135, 24180, 36270

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72534 and 72540. The biggest common factor number is the GCF number.
So the greatest common factor 72534 and 72540 is 6.

Also check out the Least Common Multiple of 72534 and 72540