What is the Greatest Common Factor of 42380 and 42393?

Greatest common factor (GCF) of 42380 and 42393 is 13.

GCF(42380,42393) = 13

We will now calculate the prime factors of 42380 and 42393, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42380 and 42393.

How to find the GCF of 42380 and 42393?

We will first find the prime factorization of 42380 and 42393. After we will calculate the factors of 42380 and 42393 and find the biggest common factor number .

Step-1: Prime Factorization of 42380

Prime factors of 42380 are 2, 5, 13, 163. Prime factorization of 42380 in exponential form is:

42380 = 2² × 5¹ × 13¹ × 163¹

Step-2: Prime Factorization of 42393

Prime factors of 42393 are 3, 13, 1087. Prime factorization of 42393 in exponential form is:

42393 = 3¹ × 13¹ × 1087¹

Step-3: Factors of 42380

List of positive integer factors of 42380 that divides 42380 without a remainder.

1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 163, 260, 326, 652, 815, 1630, 2119, 3260, 4238, 8476, 10595, 21190

Step-4: Factors of 42393

List of positive integer factors of 42393 that divides 42380 without a remainder.

1, 3, 13, 39, 1087, 3261, 14131

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42380 and 42393. The biggest common factor number is the GCF number.
So the greatest common factor 42380 and 42393 is 13.

Also check out the Least Common Multiple of 42380 and 42393