What is the Greatest Common Factor of 67490 and 67509?

Greatest common factor (GCF) of 67490 and 67509 is 1.

GCF(67490,67509) = 1

We will now calculate the prime factors of 67490 and 67509, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 67490 and 67509.

How to find the GCF of 67490 and 67509?

We will first find the prime factorization of 67490 and 67509. After we will calculate the factors of 67490 and 67509 and find the biggest common factor number .

Step-1: Prime Factorization of 67490

Prime factors of 67490 are 2, 5, 17, 397. Prime factorization of 67490 in exponential form is:

67490 = 2¹ × 5¹ × 17¹ × 397¹

Step-2: Prime Factorization of 67509

Prime factors of 67509 are 3, 13, 577. Prime factorization of 67509 in exponential form is:

67509 = 3² × 13¹ × 577¹

Step-3: Factors of 67490

List of positive integer factors of 67490 that divides 67490 without a remainder.

1, 2, 5, 10, 17, 34, 85, 170, 397, 794, 1985, 3970, 6749, 13498, 33745

Step-4: Factors of 67509

List of positive integer factors of 67509 that divides 67490 without a remainder.

1, 3, 9, 13, 39, 117, 577, 1731, 5193, 7501, 22503

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 67490 and 67509. The biggest common factor number is the GCF number.
So the greatest common factor 67490 and 67509 is 1.

Also check out the Least Common Multiple of 67490 and 67509