What is the Greatest Common Factor of 74239 and 74257?

Greatest common factor (GCF) of 74239 and 74257 is 1.

GCF(74239,74257) = 1

We will now calculate the prime factors of 74239 and 74257, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 74239 and 74257.

How to find the GCF of 74239 and 74257?

We will first find the prime factorization of 74239 and 74257. After we will calculate the factors of 74239 and 74257 and find the biggest common factor number .

Step-1: Prime Factorization of 74239

Prime factors of 74239 are 11, 17, 397. Prime factorization of 74239 in exponential form is:

74239 = 11¹ × 17¹ × 397¹

Step-2: Prime Factorization of 74257

Prime factors of 74257 are 74257. Prime factorization of 74257 in exponential form is:

74257 = 74257¹

Step-3: Factors of 74239

List of positive integer factors of 74239 that divides 74239 without a remainder.

1, 11, 17, 187, 397, 4367, 6749

Step-4: Factors of 74257

List of positive integer factors of 74257 that divides 74239 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 74239 and 74257. The biggest common factor number is the GCF number.
So the greatest common factor 74239 and 74257 is 1.

Also check out the Least Common Multiple of 74239 and 74257