What is the Greatest Common Factor of 31940 and 31954?

Greatest common factor (GCF) of 31940 and 31954 is 2.

GCF(31940,31954) = 2

We will now calculate the prime factors of 31940 and 31954, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31940 and 31954.

How to find the GCF of 31940 and 31954?

We will first find the prime factorization of 31940 and 31954. After we will calculate the factors of 31940 and 31954 and find the biggest common factor number .

Step-1: Prime Factorization of 31940

Prime factors of 31940 are 2, 5, 1597. Prime factorization of 31940 in exponential form is:

31940 = 2² × 5¹ × 1597¹

Step-2: Prime Factorization of 31954

Prime factors of 31954 are 2, 13, 1229. Prime factorization of 31954 in exponential form is:

31954 = 2¹ × 13¹ × 1229¹

Step-3: Factors of 31940

List of positive integer factors of 31940 that divides 31940 without a remainder.

1, 2, 4, 5, 10, 20, 1597, 3194, 6388, 7985, 15970

Step-4: Factors of 31954

List of positive integer factors of 31954 that divides 31940 without a remainder.

1, 2, 13, 26, 1229, 2458, 15977

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31940 and 31954. The biggest common factor number is the GCF number.
So the greatest common factor 31940 and 31954 is 2.

Also check out the Least Common Multiple of 31940 and 31954