What is the Greatest Common Factor of 42389 and 42395?

Greatest common factor (GCF) of 42389 and 42395 is 1.

GCF(42389,42395) = 1

We will now calculate the prime factors of 42389 and 42395, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42389 and 42395.

How to find the GCF of 42389 and 42395?

We will first find the prime factorization of 42389 and 42395. After we will calculate the factors of 42389 and 42395 and find the biggest common factor number .

Step-1: Prime Factorization of 42389

Prime factors of 42389 are 19, 23, 97. Prime factorization of 42389 in exponential form is:

42389 = 19¹ × 23¹ × 97¹

Step-2: Prime Factorization of 42395

Prime factors of 42395 are 5, 61, 139. Prime factorization of 42395 in exponential form is:

42395 = 5¹ × 61¹ × 139¹

Step-3: Factors of 42389

List of positive integer factors of 42389 that divides 42389 without a remainder.

1, 19, 23, 97, 437, 1843, 2231

Step-4: Factors of 42395

List of positive integer factors of 42395 that divides 42389 without a remainder.

1, 5, 61, 139, 305, 695, 8479

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42389 and 42395. The biggest common factor number is the GCF number.
So the greatest common factor 42389 and 42395 is 1.

Also check out the Least Common Multiple of 42389 and 42395