What is the Greatest Common Factor of 31409 and 31421?

Greatest common factor (GCF) of 31409 and 31421 is 1.

GCF(31409,31421) = 1

We will now calculate the prime factors of 31409 and 31421, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31409 and 31421.

How to find the GCF of 31409 and 31421?

We will first find the prime factorization of 31409 and 31421. After we will calculate the factors of 31409 and 31421 and find the biggest common factor number .

Step-1: Prime Factorization of 31409

Prime factors of 31409 are 7, 641. Prime factorization of 31409 in exponential form is:

31409 = 7² × 641¹

Step-2: Prime Factorization of 31421

Prime factors of 31421 are 13, 2417. Prime factorization of 31421 in exponential form is:

31421 = 13¹ × 2417¹

Step-3: Factors of 31409

List of positive integer factors of 31409 that divides 31409 without a remainder.

1, 7, 49, 641, 4487

Step-4: Factors of 31421

List of positive integer factors of 31421 that divides 31409 without a remainder.

1, 13, 2417

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31409 and 31421. The biggest common factor number is the GCF number.
So the greatest common factor 31409 and 31421 is 1.

Also check out the Least Common Multiple of 31409 and 31421