What is the Greatest Common Factor of 72280 and 72298?

Greatest common factor (GCF) of 72280 and 72298 is 2.

GCF(72280,72298) = 2

We will now calculate the prime factors of 72280 and 72298, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72280 and 72298.

How to find the GCF of 72280 and 72298?

We will first find the prime factorization of 72280 and 72298. After we will calculate the factors of 72280 and 72298 and find the biggest common factor number .

Step-1: Prime Factorization of 72280

Prime factors of 72280 are 2, 5, 13, 139. Prime factorization of 72280 in exponential form is:

72280 = 2³ × 5¹ × 13¹ × 139¹

Step-2: Prime Factorization of 72298

Prime factors of 72298 are 2, 37, 977. Prime factorization of 72298 in exponential form is:

72298 = 2¹ × 37¹ × 977¹

Step-3: Factors of 72280

List of positive integer factors of 72280 that divides 72280 without a remainder.

1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 139, 260, 278, 520, 556, 695, 1112, 1390, 1807, 2780, 3614, 5560, 7228, 9035, 14456, 18070, 36140

Step-4: Factors of 72298

List of positive integer factors of 72298 that divides 72280 without a remainder.

1, 2, 37, 74, 977, 1954, 36149

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72280 and 72298. The biggest common factor number is the GCF number.
So the greatest common factor 72280 and 72298 is 2.

Also check out the Least Common Multiple of 72280 and 72298