What is the Greatest Common Factor of 42397 and 42408?

Greatest common factor (GCF) of 42397 and 42408 is 1.

GCF(42397,42408) = 1

We will now calculate the prime factors of 42397 and 42408, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42397 and 42408.

How to find the GCF of 42397 and 42408?

We will first find the prime factorization of 42397 and 42408. After we will calculate the factors of 42397 and 42408 and find the biggest common factor number .

Step-1: Prime Factorization of 42397

Prime factors of 42397 are 42397. Prime factorization of 42397 in exponential form is:

42397 = 42397¹

Step-2: Prime Factorization of 42408

Prime factors of 42408 are 2, 3, 19, 31. Prime factorization of 42408 in exponential form is:

42408 = 2³ × 3² × 19¹ × 31¹

Step-3: Factors of 42397

List of positive integer factors of 42397 that divides 42397 without a remainder.

Step-4: Factors of 42408

List of positive integer factors of 42408 that divides 42397 without a remainder.

1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 31, 36, 38, 57, 62, 72, 76, 93, 114, 124, 152, 171, 186, 228, 248, 279, 342, 372, 456, 558, 589, 684, 744, 1116, 1178, 1368, 1767, 2232, 2356, 3534, 4712, 5301, 7068, 10602, 14136, 21204

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42397 and 42408. The biggest common factor number is the GCF number.
So the greatest common factor 42397 and 42408 is 1.

Also check out the Least Common Multiple of 42397 and 42408