What is the Greatest Common Factor of 72238 and 72257?

Greatest common factor (GCF) of 72238 and 72257 is 19.

GCF(72238,72257) = 19

We will now calculate the prime factors of 72238 and 72257, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72238 and 72257.

How to find the GCF of 72238 and 72257?

We will first find the prime factorization of 72238 and 72257. After we will calculate the factors of 72238 and 72257 and find the biggest common factor number .

Step-1: Prime Factorization of 72238

Prime factors of 72238 are 2, 19, 1901. Prime factorization of 72238 in exponential form is:

72238 = 2¹ × 19¹ × 1901¹

Step-2: Prime Factorization of 72257

Prime factors of 72257 are 19, 3803. Prime factorization of 72257 in exponential form is:

72257 = 19¹ × 3803¹

Step-3: Factors of 72238

List of positive integer factors of 72238 that divides 72238 without a remainder.

1, 2, 19, 38, 1901, 3802, 36119

Step-4: Factors of 72257

List of positive integer factors of 72257 that divides 72238 without a remainder.

1, 19, 3803

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72238 and 72257. The biggest common factor number is the GCF number.
So the greatest common factor 72238 and 72257 is 19.

Also check out the Least Common Multiple of 72238 and 72257