What is the Greatest Common Factor of 4291 and 4309?

Greatest common factor (GCF) of 4291 and 4309 is 1.

GCF(4291,4309) = 1

We will now calculate the prime factors of 4291 and 4309, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 4291 and 4309.

How to find the GCF of 4291 and 4309?

We will first find the prime factorization of 4291 and 4309. After we will calculate the factors of 4291 and 4309 and find the biggest common factor number .

Step-1: Prime Factorization of 4291

Prime factors of 4291 are 7, 613. Prime factorization of 4291 in exponential form is:

4291 = 7¹ × 613¹

Step-2: Prime Factorization of 4309

Prime factors of 4309 are 31, 139. Prime factorization of 4309 in exponential form is:

4309 = 31¹ × 139¹

Step-3: Factors of 4291

List of positive integer factors of 4291 that divides 4291 without a remainder.

1, 7, 613

Step-4: Factors of 4309

List of positive integer factors of 4309 that divides 4291 without a remainder.

1, 31, 139

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 4291 and 4309. The biggest common factor number is the GCF number.
So the greatest common factor 4291 and 4309 is 1.

Also check out the Least Common Multiple of 4291 and 4309