What is the Greatest Common Factor of 72690 and 72698?

Greatest common factor (GCF) of 72690 and 72698 is 2.

GCF(72690,72698) = 2

We will now calculate the prime factors of 72690 and 72698, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72690 and 72698.

How to find the GCF of 72690 and 72698?

We will first find the prime factorization of 72690 and 72698. After we will calculate the factors of 72690 and 72698 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 72698

Prime factors of 72698 are 2, 163, 223. Prime factorization of 72698 in exponential form is:

72698 = 2¹ × 163¹ × 223¹

Step-3: Factors of 72690

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

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

Step-4: Factors of 72698

List of positive integer factors of 72698 that divides 72690 without a remainder.

1, 2, 163, 223, 326, 446, 36349

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72690 and 72698. The biggest common factor number is the GCF number.
So the greatest common factor 72690 and 72698 is 2.

Also check out the Least Common Multiple of 72690 and 72698