What is the Greatest Common Factor of 2943 and 2947?

Greatest common factor (GCF) of 2943 and 2947 is 1.

GCF(2943,2947) = 1

We will now calculate the prime factors of 2943 and 2947, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2943 and 2947.

How to find the GCF of 2943 and 2947?

We will first find the prime factorization of 2943 and 2947. After we will calculate the factors of 2943 and 2947 and find the biggest common factor number .

Step-1: Prime Factorization of 2943

Prime factors of 2943 are 3, 109. Prime factorization of 2943 in exponential form is:

2943 = 3³ × 109¹

Step-2: Prime Factorization of 2947

Prime factors of 2947 are 7, 421. Prime factorization of 2947 in exponential form is:

2947 = 7¹ × 421¹

Step-3: Factors of 2943

List of positive integer factors of 2943 that divides 2943 without a remainder.

1, 3, 9, 27, 109, 327, 981

Step-4: Factors of 2947

List of positive integer factors of 2947 that divides 2943 without a remainder.

1, 7, 421

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2943 and 2947. The biggest common factor number is the GCF number.
So the greatest common factor 2943 and 2947 is 1.

Also check out the Least Common Multiple of 2943 and 2947