What is the Greatest Common Factor of 42444 and 42456?

Greatest common factor (GCF) of 42444 and 42456 is 12.

GCF(42444,42456) = 12

We will now calculate the prime factors of 42444 and 42456, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42444 and 42456.

How to find the GCF of 42444 and 42456?

We will first find the prime factorization of 42444 and 42456. After we will calculate the factors of 42444 and 42456 and find the biggest common factor number .

Step-1: Prime Factorization of 42444

Prime factors of 42444 are 2, 3, 131. Prime factorization of 42444 in exponential form is:

42444 = 2² × 3⁴ × 131¹

Step-2: Prime Factorization of 42456

Prime factors of 42456 are 2, 3, 29, 61. Prime factorization of 42456 in exponential form is:

42456 = 2³ × 3¹ × 29¹ × 61¹

Step-3: Factors of 42444

List of positive integer factors of 42444 that divides 42444 without a remainder.

1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 131, 162, 262, 324, 393, 524, 786, 1179, 1572, 2358, 3537, 4716, 7074, 10611, 14148, 21222

Step-4: Factors of 42456

List of positive integer factors of 42456 that divides 42444 without a remainder.

1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 61, 87, 116, 122, 174, 183, 232, 244, 348, 366, 488, 696, 732, 1464, 1769, 3538, 5307, 7076, 10614, 14152, 21228

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42444 and 42456. The biggest common factor number is the GCF number.
So the greatest common factor 42444 and 42456 is 12.

Also check out the Least Common Multiple of 42444 and 42456