What is the Greatest Common Factor of 31940 and 31950?

Greatest common factor (GCF) of 31940 and 31950 is 10.

GCF(31940,31950) = 10

We will now calculate the prime factors of 31940 and 31950, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31940 and 31950.

How to find the GCF of 31940 and 31950?

We will first find the prime factorization of 31940 and 31950. After we will calculate the factors of 31940 and 31950 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 31950

Prime factors of 31950 are 2, 3, 5, 71. Prime factorization of 31950 in exponential form is:

31950 = 2¹ × 3² × 5² × 71¹

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 31950

List of positive integer factors of 31950 that divides 31940 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 71, 75, 90, 142, 150, 213, 225, 355, 426, 450, 639, 710, 1065, 1278, 1775, 2130, 3195, 3550, 5325, 6390, 10650, 15975

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31940 and 31950. The biggest common factor number is the GCF number.
So the greatest common factor 31940 and 31950 is 10.

Also check out the Least Common Multiple of 31940 and 31950