What is the Greatest Common Factor of 42396 and 42408?

Greatest common factor (GCF) of 42396 and 42408 is 12.

GCF(42396,42408) = 12

We will now calculate the prime factors of 42396 and 42408, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42396 and 42408.

How to find the GCF of 42396 and 42408?

We will first find the prime factorization of 42396 and 42408. After we will calculate the factors of 42396 and 42408 and find the biggest common factor number .

Step-1: Prime Factorization of 42396

Prime factors of 42396 are 2, 3, 3533. Prime factorization of 42396 in exponential form is:

42396 = 2² × 3¹ × 3533¹

Step-2: Prime Factorization of 42408

Prime factors of 42408 are 2, 3, 19, 31. Prime factorization of 42408 in exponential form is:

42408 = 2³ × 3² × 19¹ × 31¹

Step-3: Factors of 42396

List of positive integer factors of 42396 that divides 42396 without a remainder.

1, 2, 3, 4, 6, 12, 3533, 7066, 10599, 14132, 21198

Step-4: Factors of 42408

List of positive integer factors of 42408 that divides 42396 without a remainder.

1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 31, 36, 38, 57, 62, 72, 76, 93, 114, 124, 152, 171, 186, 228, 248, 279, 342, 372, 456, 558, 589, 684, 744, 1116, 1178, 1368, 1767, 2232, 2356, 3534, 4712, 5301, 7068, 10602, 14136, 21204

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42396 and 42408. The biggest common factor number is the GCF number.
So the greatest common factor 42396 and 42408 is 12.

Also check out the Least Common Multiple of 42396 and 42408