What is the Greatest Common Factor of 61239 and 61247?

Greatest common factor (GCF) of 61239 and 61247 is 1.

GCF(61239,61247) = 1

We will now calculate the prime factors of 61239 and 61247, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61239 and 61247.

How to find the GCF of 61239 and 61247?

We will first find the prime factorization of 61239 and 61247. After we will calculate the factors of 61239 and 61247 and find the biggest common factor number .

Step-1: Prime Factorization of 61239

Prime factors of 61239 are 3, 137, 149. Prime factorization of 61239 in exponential form is:

61239 = 3¹ × 137¹ × 149¹

Step-2: Prime Factorization of 61247

Prime factors of 61247 are 73, 839. Prime factorization of 61247 in exponential form is:

61247 = 73¹ × 839¹

Step-3: Factors of 61239

List of positive integer factors of 61239 that divides 61239 without a remainder.

1, 3, 137, 149, 411, 447, 20413

Step-4: Factors of 61247

List of positive integer factors of 61247 that divides 61239 without a remainder.

1, 73, 839

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 61239 and 61247. The biggest common factor number is the GCF number.
So the greatest common factor 61239 and 61247 is 1.

Also check out the Least Common Multiple of 61239 and 61247