What is the Greatest Common Factor of 31878 and 31882?

Greatest common factor (GCF) of 31878 and 31882 is 2.

GCF(31878,31882) = 2

We will now calculate the prime factors of 31878 and 31882, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31878 and 31882.

How to find the GCF of 31878 and 31882?

We will first find the prime factorization of 31878 and 31882. After we will calculate the factors of 31878 and 31882 and find the biggest common factor number .

Step-1: Prime Factorization of 31878

Prime factors of 31878 are 2, 3, 7, 11, 23. Prime factorization of 31878 in exponential form is:

31878 = 2¹ × 3² × 7¹ × 11¹ × 23¹

Step-2: Prime Factorization of 31882

Prime factors of 31882 are 2, 19, 839. Prime factorization of 31882 in exponential form is:

31882 = 2¹ × 19¹ × 839¹

Step-3: Factors of 31878

List of positive integer factors of 31878 that divides 31878 without a remainder.

1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 23, 33, 42, 46, 63, 66, 69, 77, 99, 126, 138, 154, 161, 198, 207, 231, 253, 322, 414, 462, 483, 506, 693, 759, 966, 1386, 1449, 1518, 1771, 2277, 2898, 3542, 4554, 5313, 10626, 15939

Step-4: Factors of 31882

List of positive integer factors of 31882 that divides 31878 without a remainder.

1, 2, 19, 38, 839, 1678, 15941

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31878 and 31882. The biggest common factor number is the GCF number.
So the greatest common factor 31878 and 31882 is 2.

Also check out the Least Common Multiple of 31878 and 31882