What is the Greatest Common Factor of 340 and 346?

Greatest common factor (GCF) of 340 and 346 is 2.

GCF(340,346) = 2

We will now calculate the prime factors of 340 and 346, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 340 and 346.

How to find the GCF of 340 and 346?

We will first find the prime factorization of 340 and 346. After we will calculate the factors of 340 and 346 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 346

Prime factors of 346 are 2, 173. Prime factorization of 346 in exponential form is:

346 = 2¹ × 173¹

Step-3: Factors of 340

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

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

Step-4: Factors of 346

List of positive integer factors of 346 that divides 340 without a remainder.

1, 2, 173

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 340 and 346. The biggest common factor number is the GCF number.
So the greatest common factor 340 and 346 is 2.

Also check out the Least Common Multiple of 340 and 346