What is the Greatest Common Factor of 40842 and 40860?

Greatest common factor (GCF) of 40842 and 40860 is 18.

GCF(40842,40860) = 18

We will now calculate the prime factors of 40842 and 40860, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40842 and 40860.

How to find the GCF of 40842 and 40860?

We will first find the prime factorization of 40842 and 40860. After we will calculate the factors of 40842 and 40860 and find the biggest common factor number .

Step-1: Prime Factorization of 40842

Prime factors of 40842 are 2, 3, 2269. Prime factorization of 40842 in exponential form is:

40842 = 2¹ × 3² × 2269¹

Step-2: Prime Factorization of 40860

Prime factors of 40860 are 2, 3, 5, 227. Prime factorization of 40860 in exponential form is:

40860 = 2² × 3² × 5¹ × 227¹

Step-3: Factors of 40842

List of positive integer factors of 40842 that divides 40842 without a remainder.

1, 2, 3, 6, 9, 18, 2269, 4538, 6807, 13614, 20421

Step-4: Factors of 40860

List of positive integer factors of 40860 that divides 40842 without a remainder.

1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 227, 454, 681, 908, 1135, 1362, 2043, 2270, 2724, 3405, 4086, 4540, 6810, 8172, 10215, 13620, 20430

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40842 and 40860. The biggest common factor number is the GCF number.
So the greatest common factor 40842 and 40860 is 18.

Also check out the Least Common Multiple of 40842 and 40860