What is the Greatest Common Factor of 31486 and 31490?

Greatest common factor (GCF) of 31486 and 31490 is 2.

GCF(31486,31490) = 2

We will now calculate the prime factors of 31486 and 31490, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31486 and 31490.

How to find the GCF of 31486 and 31490?

We will first find the prime factorization of 31486 and 31490. After we will calculate the factors of 31486 and 31490 and find the biggest common factor number .

Step-1: Prime Factorization of 31486

Prime factors of 31486 are 2, 7, 13, 173. Prime factorization of 31486 in exponential form is:

31486 = 2¹ × 7¹ × 13¹ × 173¹

Step-2: Prime Factorization of 31490

Prime factors of 31490 are 2, 5, 47, 67. Prime factorization of 31490 in exponential form is:

31490 = 2¹ × 5¹ × 47¹ × 67¹

Step-3: Factors of 31486

List of positive integer factors of 31486 that divides 31486 without a remainder.

1, 2, 7, 13, 14, 26, 91, 173, 182, 346, 1211, 2249, 2422, 4498, 15743

Step-4: Factors of 31490

List of positive integer factors of 31490 that divides 31486 without a remainder.

1, 2, 5, 10, 47, 67, 94, 134, 235, 335, 470, 670, 3149, 6298, 15745

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31486 and 31490. The biggest common factor number is the GCF number.
So the greatest common factor 31486 and 31490 is 2.

Also check out the Least Common Multiple of 31486 and 31490