What is the Greatest Common Factor of 40380 and 40392?

Greatest common factor (GCF) of 40380 and 40392 is 12.

GCF(40380,40392) = 12

We will now calculate the prime factors of 40380 and 40392, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40380 and 40392.

How to find the GCF of 40380 and 40392?

We will first find the prime factorization of 40380 and 40392. After we will calculate the factors of 40380 and 40392 and find the biggest common factor number .

Step-1: Prime Factorization of 40380

Prime factors of 40380 are 2, 3, 5, 673. Prime factorization of 40380 in exponential form is:

40380 = 2² × 3¹ × 5¹ × 673¹

Step-2: Prime Factorization of 40392

Prime factors of 40392 are 2, 3, 11, 17. Prime factorization of 40392 in exponential form is:

40392 = 2³ × 3³ × 11¹ × 17¹

Step-3: Factors of 40380

List of positive integer factors of 40380 that divides 40380 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 673, 1346, 2019, 2692, 3365, 4038, 6730, 8076, 10095, 13460, 20190

Step-4: Factors of 40392

List of positive integer factors of 40392 that divides 40380 without a remainder.

1, 2, 3, 4, 6, 8, 9, 11, 12, 17, 18, 22, 24, 27, 33, 34, 36, 44, 51, 54, 66, 68, 72, 88, 99, 102, 108, 132, 136, 153, 187, 198, 204, 216, 264, 297, 306, 374, 396, 408, 459, 561, 594, 612, 748, 792, 918, 1122, 1188, 1224, 1496, 1683, 1836, 2244, 2376, 3366, 3672, 4488, 5049, 6732, 10098, 13464, 20196

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40380 and 40392. The biggest common factor number is the GCF number.
So the greatest common factor 40380 and 40392 is 12.

Also check out the Least Common Multiple of 40380 and 40392