What is the Greatest Common Factor of 42456 and 42468?

Greatest common factor (GCF) of 42456 and 42468 is 12.

GCF(42456,42468) = 12

We will now calculate the prime factors of 42456 and 42468, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42456 and 42468.

How to find the GCF of 42456 and 42468?

We will first find the prime factorization of 42456 and 42468. After we will calculate the factors of 42456 and 42468 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 42468

Prime factors of 42468 are 2, 3, 3539. Prime factorization of 42468 in exponential form is:

42468 = 2² × 3¹ × 3539¹

Step-3: Factors of 42456

List of positive integer factors of 42456 that divides 42456 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

Step-4: Factors of 42468

List of positive integer factors of 42468 that divides 42456 without a remainder.

1, 2, 3, 4, 6, 12, 3539, 7078, 10617, 14156, 21234

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42456 and 42468. The biggest common factor number is the GCF number.
So the greatest common factor 42456 and 42468 is 12.

Also check out the Least Common Multiple of 42456 and 42468