What is the Greatest Common Factor of 61009 and 61015?

Greatest common factor (GCF) of 61009 and 61015 is 1.

GCF(61009,61015) = 1

We will now calculate the prime factors of 61009 and 61015, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61009 and 61015.

How to find the GCF of 61009 and 61015?

We will first find the prime factorization of 61009 and 61015. After we will calculate the factors of 61009 and 61015 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 61015

Prime factors of 61015 are 5, 12203. Prime factorization of 61015 in exponential form is:

61015 = 5¹ × 12203¹

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 61015

List of positive integer factors of 61015 that divides 61009 without a remainder.

1, 5, 12203

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 61009 and 61015. The biggest common factor number is the GCF number.
So the greatest common factor 61009 and 61015 is 1.

Also check out the Least Common Multiple of 61009 and 61015