What is the Greatest Common Factor of 61807 and 61815?

Greatest common factor (GCF) of 61807 and 61815 is 1.

GCF(61807,61815) = 1

We will now calculate the prime factors of 61807 and 61815, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61807 and 61815.

How to find the GCF of 61807 and 61815?

We will first find the prime factorization of 61807 and 61815. After we will calculate the factors of 61807 and 61815 and find the biggest common factor number .

Step-1: Prime Factorization of 61807

Prime factors of 61807 are 19, 3253. Prime factorization of 61807 in exponential form is:

61807 = 19¹ × 3253¹

Step-2: Prime Factorization of 61815

Prime factors of 61815 are 3, 5, 13, 317. Prime factorization of 61815 in exponential form is:

61815 = 3¹ × 5¹ × 13¹ × 317¹

Step-3: Factors of 61807

List of positive integer factors of 61807 that divides 61807 without a remainder.

1, 19, 3253

Step-4: Factors of 61815

List of positive integer factors of 61815 that divides 61807 without a remainder.

1, 3, 5, 13, 15, 39, 65, 195, 317, 951, 1585, 4121, 4755, 12363, 20605

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 61807 and 61815. The biggest common factor number is the GCF number.
So the greatest common factor 61807 and 61815 is 1.

Also check out the Least Common Multiple of 61807 and 61815