What is the Greatest Common Factor of 31830 and 31842?

Greatest common factor (GCF) of 31830 and 31842 is 6.

GCF(31830,31842) = 6

We will now calculate the prime factors of 31830 and 31842, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31830 and 31842.

How to find the GCF of 31830 and 31842?

We will first find the prime factorization of 31830 and 31842. After we will calculate the factors of 31830 and 31842 and find the biggest common factor number .

Step-1: Prime Factorization of 31830

Prime factors of 31830 are 2, 3, 5, 1061. Prime factorization of 31830 in exponential form is:

31830 = 2¹ × 3¹ × 5¹ × 1061¹

Step-2: Prime Factorization of 31842

Prime factors of 31842 are 2, 3, 29, 61. Prime factorization of 31842 in exponential form is:

31842 = 2¹ × 3² × 29¹ × 61¹

Step-3: Factors of 31830

List of positive integer factors of 31830 that divides 31830 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 1061, 2122, 3183, 5305, 6366, 10610, 15915

Step-4: Factors of 31842

List of positive integer factors of 31842 that divides 31830 without a remainder.

1, 2, 3, 6, 9, 18, 29, 58, 61, 87, 122, 174, 183, 261, 366, 522, 549, 1098, 1769, 3538, 5307, 10614, 15921

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31830 and 31842. The biggest common factor number is the GCF number.
So the greatest common factor 31830 and 31842 is 6.

Also check out the Least Common Multiple of 31830 and 31842