What is the Greatest Common Factor of 42868 and 42872?

Greatest common factor (GCF) of 42868 and 42872 is 4.

GCF(42868,42872) = 4

We will now calculate the prime factors of 42868 and 42872, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42868 and 42872.

How to find the GCF of 42868 and 42872?

We will first find the prime factorization of 42868 and 42872. After we will calculate the factors of 42868 and 42872 and find the biggest common factor number .

Step-1: Prime Factorization of 42868

Prime factors of 42868 are 2, 7, 1531. Prime factorization of 42868 in exponential form is:

42868 = 2² × 7¹ × 1531¹

Step-2: Prime Factorization of 42872

Prime factors of 42872 are 2, 23, 233. Prime factorization of 42872 in exponential form is:

42872 = 2³ × 23¹ × 233¹

Step-3: Factors of 42868

List of positive integer factors of 42868 that divides 42868 without a remainder.

1, 2, 4, 7, 14, 28, 1531, 3062, 6124, 10717, 21434

Step-4: Factors of 42872

List of positive integer factors of 42872 that divides 42868 without a remainder.

1, 2, 4, 8, 23, 46, 92, 184, 233, 466, 932, 1864, 5359, 10718, 21436

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42868 and 42872. The biggest common factor number is the GCF number.
So the greatest common factor 42868 and 42872 is 4.

Also check out the Least Common Multiple of 42868 and 42872