What is the Greatest Common Factor of 72219 and 72238?

Greatest common factor (GCF) of 72219 and 72238 is 19.

GCF(72219,72238) = 19

We will now calculate the prime factors of 72219 and 72238, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72219 and 72238.

How to find the GCF of 72219 and 72238?

We will first find the prime factorization of 72219 and 72238. After we will calculate the factors of 72219 and 72238 and find the biggest common factor number .

Step-1: Prime Factorization of 72219

Prime factors of 72219 are 3, 7, 19, 181. Prime factorization of 72219 in exponential form is:

72219 = 3¹ × 7¹ × 19¹ × 181¹

Step-2: 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-3: Factors of 72219

List of positive integer factors of 72219 that divides 72219 without a remainder.

1, 3, 7, 19, 21, 57, 133, 181, 399, 543, 1267, 3439, 3801, 10317, 24073

Step-4: Factors of 72238

List of positive integer factors of 72238 that divides 72219 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72219 and 72238. The biggest common factor number is the GCF number.
So the greatest common factor 72219 and 72238 is 19.

Also check out the Least Common Multiple of 72219 and 72238