What is the Greatest Common Factor of 331 and 340?

Greatest common factor (GCF) of 331 and 340 is 1.

GCF(331,340) = 1

We will now calculate the prime factors of 331 and 340, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 331 and 340.

How to find the GCF of 331 and 340?

We will first find the prime factorization of 331 and 340. After we will calculate the factors of 331 and 340 and find the biggest common factor number .

Step-1: Prime Factorization of 331

Prime factors of 331 are 331. Prime factorization of 331 in exponential form is:

331 = 331¹

Step-2: Prime Factorization of 340

Prime factors of 340 are 2, 5, 17. Prime factorization of 340 in exponential form is:

340 = 2² × 5¹ × 17¹

Step-3: Factors of 331

List of positive integer factors of 331 that divides 331 without a remainder.

Step-4: Factors of 340

List of positive integer factors of 340 that divides 331 without a remainder.

1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 331 and 340. The biggest common factor number is the GCF number.
So the greatest common factor 331 and 340 is 1.

Also check out the Least Common Multiple of 331 and 340