What is the Greatest Common Factor of 72670 and 72686?

Greatest common factor (GCF) of 72670 and 72686 is 2.

GCF(72670,72686) = 2

We will now calculate the prime factors of 72670 and 72686, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72670 and 72686.

How to find the GCF of 72670 and 72686?

We will first find the prime factorization of 72670 and 72686. After we will calculate the factors of 72670 and 72686 and find the biggest common factor number .

Step-1: Prime Factorization of 72670

Prime factors of 72670 are 2, 5, 13, 43. Prime factorization of 72670 in exponential form is:

72670 = 2¹ × 5¹ × 13² × 43¹

Step-2: Prime Factorization of 72686

Prime factors of 72686 are 2, 36343. Prime factorization of 72686 in exponential form is:

72686 = 2¹ × 36343¹

Step-3: Factors of 72670

List of positive integer factors of 72670 that divides 72670 without a remainder.

1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 169, 215, 338, 430, 559, 845, 1118, 1690, 2795, 5590, 7267, 14534, 36335

Step-4: Factors of 72686

List of positive integer factors of 72686 that divides 72670 without a remainder.

1, 2, 36343

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72670 and 72686. The biggest common factor number is the GCF number.
So the greatest common factor 72670 and 72686 is 2.

Also check out the Least Common Multiple of 72670 and 72686