What is the Greatest Common Factor of 61009 and 61017?

Greatest common factor (GCF) of 61009 and 61017 is 1.

GCF(61009,61017) = 1

We will now calculate the prime factors of 61009 and 61017, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61009 and 61017.

How to find the GCF of 61009 and 61017?

We will first find the prime factorization of 61009 and 61017. After we will calculate the factors of 61009 and 61017 and find the biggest common factor number .

Step-1: Prime Factorization of 61009

Prime factors of 61009 are 13, 19. Prime factorization of 61009 in exponential form is:

61009 = 13² × 19²

Step-2: Prime Factorization of 61017

Prime factors of 61017 are 3, 11, 43. Prime factorization of 61017 in exponential form is:

61017 = 3¹ × 11¹ × 43²

Step-3: Factors of 61009

List of positive integer factors of 61009 that divides 61009 without a remainder.

1, 13, 19, 169, 247, 361, 3211, 4693

Step-4: Factors of 61017

List of positive integer factors of 61017 that divides 61009 without a remainder.

1, 3, 11, 33, 43, 129, 473, 1419, 1849, 5547, 20339

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 61009 and 61017. The biggest common factor number is the GCF number.
So the greatest common factor 61009 and 61017 is 1.

Also check out the Least Common Multiple of 61009 and 61017