What is the Greatest Common Factor of 72490 and 72506?

Greatest common factor (GCF) of 72490 and 72506 is 2.

GCF(72490,72506) = 2

We will now calculate the prime factors of 72490 and 72506, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72490 and 72506.

How to find the GCF of 72490 and 72506?

We will first find the prime factorization of 72490 and 72506. After we will calculate the factors of 72490 and 72506 and find the biggest common factor number .

Step-1: Prime Factorization of 72490

Prime factors of 72490 are 2, 5, 11, 659. Prime factorization of 72490 in exponential form is:

72490 = 2¹ × 5¹ × 11¹ × 659¹

Step-2: Prime Factorization of 72506

Prime factors of 72506 are 2, 7, 5179. Prime factorization of 72506 in exponential form is:

72506 = 2¹ × 7¹ × 5179¹

Step-3: Factors of 72490

List of positive integer factors of 72490 that divides 72490 without a remainder.

1, 2, 5, 10, 11, 22, 55, 110, 659, 1318, 3295, 6590, 7249, 14498, 36245

Step-4: Factors of 72506

List of positive integer factors of 72506 that divides 72490 without a remainder.

1, 2, 7, 14, 5179, 10358, 36253

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72490 and 72506. The biggest common factor number is the GCF number.
So the greatest common factor 72490 and 72506 is 2.

Also check out the Least Common Multiple of 72490 and 72506