What is the Greatest Common Factor of 72203 and 72215?

Greatest common factor (GCF) of 72203 and 72215 is 1.

GCF(72203,72215) = 1

We will now calculate the prime factors of 72203 and 72215, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72203 and 72215.

How to find the GCF of 72203 and 72215?

We will first find the prime factorization of 72203 and 72215. After we will calculate the factors of 72203 and 72215 and find the biggest common factor number .

Step-1: Prime Factorization of 72203

Prime factors of 72203 are 103, 701. Prime factorization of 72203 in exponential form is:

72203 = 103¹ × 701¹

Step-2: 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-3: Factors of 72203

List of positive integer factors of 72203 that divides 72203 without a remainder.

1, 103, 701

Step-4: Factors of 72215

List of positive integer factors of 72215 that divides 72203 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72203 and 72215. The biggest common factor number is the GCF number.
So the greatest common factor 72203 and 72215 is 1.

Also check out the Least Common Multiple of 72203 and 72215