What is the Greatest Common Factor of 72215 and 72219?

Greatest common factor (GCF) of 72215 and 72219 is 1.

GCF(72215,72219) = 1

We will now calculate the prime factors of 72215 and 72219, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72215 and 72219.

How to find the GCF of 72215 and 72219?

We will first find the prime factorization of 72215 and 72219. After we will calculate the factors of 72215 and 72219 and find the biggest common factor number .

Step-1: Prime Factorization of 72215

Prime factors of 72215 are 5, 11, 13, 101. Prime factorization of 72215 in exponential form is:

72215 = 5¹ × 11¹ × 13¹ × 101¹

Step-2: 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-3: Factors of 72215

List of positive integer factors of 72215 that divides 72215 without a remainder.

1, 5, 11, 13, 55, 65, 101, 143, 505, 715, 1111, 1313, 5555, 6565, 14443

Step-4: Factors of 72219

List of positive integer factors of 72219 that divides 72215 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72215 and 72219. The biggest common factor number is the GCF number.
So the greatest common factor 72215 and 72219 is 1.

Also check out the Least Common Multiple of 72215 and 72219