What is the Greatest Common Factor of 72686 and 72690?

Greatest common factor (GCF) of 72686 and 72690 is 2.

GCF(72686,72690) = 2

We will now calculate the prime factors of 72686 and 72690, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72686 and 72690.

How to find the GCF of 72686 and 72690?

We will first find the prime factorization of 72686 and 72690. After we will calculate the factors of 72686 and 72690 and find the biggest common factor number .

Step-1: Prime Factorization of 72686

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

72686 = 2¹ × 36343¹

Step-2: Prime Factorization of 72690

Prime factors of 72690 are 2, 3, 5, 2423. Prime factorization of 72690 in exponential form is:

72690 = 2¹ × 3¹ × 5¹ × 2423¹

Step-3: Factors of 72686

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

1, 2, 36343

Step-4: Factors of 72690

List of positive integer factors of 72690 that divides 72686 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 2423, 4846, 7269, 12115, 14538, 24230, 36345

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72686 and 72690. The biggest common factor number is the GCF number.
So the greatest common factor 72686 and 72690 is 2.

Also check out the Least Common Multiple of 72686 and 72690