What is the Greatest Common Factor of 31899 and 31906?

Greatest common factor (GCF) of 31899 and 31906 is 7.

GCF(31899,31906) = 7

We will now calculate the prime factors of 31899 and 31906, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31899 and 31906.

How to find the GCF of 31899 and 31906?

We will first find the prime factorization of 31899 and 31906. After we will calculate the factors of 31899 and 31906 and find the biggest common factor number .

Step-1: Prime Factorization of 31899

Prime factors of 31899 are 3, 7, 31. Prime factorization of 31899 in exponential form is:

31899 = 3¹ × 7³ × 31¹

Step-2: Prime Factorization of 31906

Prime factors of 31906 are 2, 7, 43, 53. Prime factorization of 31906 in exponential form is:

31906 = 2¹ × 7¹ × 43¹ × 53¹

Step-3: Factors of 31899

List of positive integer factors of 31899 that divides 31899 without a remainder.

1, 3, 7, 21, 31, 49, 93, 147, 217, 343, 651, 1029, 1519, 4557, 10633

Step-4: Factors of 31906

List of positive integer factors of 31906 that divides 31899 without a remainder.

1, 2, 7, 14, 43, 53, 86, 106, 301, 371, 602, 742, 2279, 4558, 15953

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31899 and 31906. The biggest common factor number is the GCF number.
So the greatest common factor 31899 and 31906 is 7.

Also check out the Least Common Multiple of 31899 and 31906