What is the Greatest Common Factor of 31629 and 31638?

Greatest common factor (GCF) of 31629 and 31638 is 3.

GCF(31629,31638) = 3

We will now calculate the prime factors of 31629 and 31638, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31629 and 31638.

How to find the GCF of 31629 and 31638?

We will first find the prime factorization of 31629 and 31638. After we will calculate the factors of 31629 and 31638 and find the biggest common factor number .

Step-1: Prime Factorization of 31629

Prime factors of 31629 are 3, 13, 811. Prime factorization of 31629 in exponential form is:

31629 = 3¹ × 13¹ × 811¹

Step-2: Prime Factorization of 31638

Prime factors of 31638 are 2, 3, 5273. Prime factorization of 31638 in exponential form is:

31638 = 2¹ × 3¹ × 5273¹

Step-3: Factors of 31629

List of positive integer factors of 31629 that divides 31629 without a remainder.

1, 3, 13, 39, 811, 2433, 10543

Step-4: Factors of 31638

List of positive integer factors of 31638 that divides 31629 without a remainder.

1, 2, 3, 6, 5273, 10546, 15819

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31629 and 31638. The biggest common factor number is the GCF number.
So the greatest common factor 31629 and 31638 is 3.

Also check out the Least Common Multiple of 31629 and 31638