What is the Greatest Common Factor of 49239 and 49257?

Greatest common factor (GCF) of 49239 and 49257 is 9.

GCF(49239,49257) = 9

We will now calculate the prime factors of 49239 and 49257, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 49239 and 49257.

How to find the GCF of 49239 and 49257?

We will first find the prime factorization of 49239 and 49257. After we will calculate the factors of 49239 and 49257 and find the biggest common factor number .

Step-1: Prime Factorization of 49239

Prime factors of 49239 are 3, 5471. Prime factorization of 49239 in exponential form is:

49239 = 3² × 5471¹

Step-2: Prime Factorization of 49257

Prime factors of 49257 are 3, 13, 421. Prime factorization of 49257 in exponential form is:

49257 = 3² × 13¹ × 421¹

Step-3: Factors of 49239

List of positive integer factors of 49239 that divides 49239 without a remainder.

1, 3, 9, 5471, 16413

Step-4: Factors of 49257

List of positive integer factors of 49257 that divides 49239 without a remainder.

1, 3, 9, 13, 39, 117, 421, 1263, 3789, 5473, 16419

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 49239 and 49257. The biggest common factor number is the GCF number.
So the greatest common factor 49239 and 49257 is 9.

Also check out the Least Common Multiple of 49239 and 49257