What is the Greatest Common Factor of 31410 and 31425?

Greatest common factor (GCF) of 31410 and 31425 is 15.

GCF(31410,31425) = 15

We will now calculate the prime factors of 31410 and 31425, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31410 and 31425.

How to find the GCF of 31410 and 31425?

We will first find the prime factorization of 31410 and 31425. After we will calculate the factors of 31410 and 31425 and find the biggest common factor number .

Step-1: Prime Factorization of 31410

Prime factors of 31410 are 2, 3, 5, 349. Prime factorization of 31410 in exponential form is:

31410 = 2¹ × 3² × 5¹ × 349¹

Step-2: Prime Factorization of 31425

Prime factors of 31425 are 3, 5, 419. Prime factorization of 31425 in exponential form is:

31425 = 3¹ × 5² × 419¹

Step-3: Factors of 31410

List of positive integer factors of 31410 that divides 31410 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 349, 698, 1047, 1745, 2094, 3141, 3490, 5235, 6282, 10470, 15705

Step-4: Factors of 31425

List of positive integer factors of 31425 that divides 31410 without a remainder.

1, 3, 5, 15, 25, 75, 419, 1257, 2095, 6285, 10475

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31410 and 31425. The biggest common factor number is the GCF number.
So the greatest common factor 31410 and 31425 is 15.

Also check out the Least Common Multiple of 31410 and 31425