What is the Greatest Common Factor of 72243 and 72247?

Greatest common factor (GCF) of 72243 and 72247 is 1.

GCF(72243,72247) = 1

We will now calculate the prime factors of 72243 and 72247, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72243 and 72247.

How to find the GCF of 72243 and 72247?

We will first find the prime factorization of 72243 and 72247. After we will calculate the factors of 72243 and 72247 and find the biggest common factor number .

Step-1: Prime Factorization of 72243

Prime factors of 72243 are 3, 23, 349. Prime factorization of 72243 in exponential form is:

72243 = 3² × 23¹ × 349¹

Step-2: Prime Factorization of 72247

Prime factors of 72247 are 7, 10321. Prime factorization of 72247 in exponential form is:

72247 = 7¹ × 10321¹

Step-3: Factors of 72243

List of positive integer factors of 72243 that divides 72243 without a remainder.

1, 3, 9, 23, 69, 207, 349, 1047, 3141, 8027, 24081

Step-4: Factors of 72247

List of positive integer factors of 72247 that divides 72243 without a remainder.

1, 7, 10321

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72243 and 72247. The biggest common factor number is the GCF number.
So the greatest common factor 72243 and 72247 is 1.

Also check out the Least Common Multiple of 72243 and 72247