What is the Greatest Common Factor of 31478 and 31485?

Greatest common factor (GCF) of 31478 and 31485 is 1.

GCF(31478,31485) = 1

We will now calculate the prime factors of 31478 and 31485, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31478 and 31485.

How to find the GCF of 31478 and 31485?

We will first find the prime factorization of 31478 and 31485. After we will calculate the factors of 31478 and 31485 and find the biggest common factor number .

Step-1: Prime Factorization of 31478

Prime factors of 31478 are 2, 15739. Prime factorization of 31478 in exponential form is:

31478 = 2¹ × 15739¹

Step-2: Prime Factorization of 31485

Prime factors of 31485 are 3, 5, 2099. Prime factorization of 31485 in exponential form is:

31485 = 3¹ × 5¹ × 2099¹

Step-3: Factors of 31478

List of positive integer factors of 31478 that divides 31478 without a remainder.

1, 2, 15739

Step-4: Factors of 31485

List of positive integer factors of 31485 that divides 31478 without a remainder.

1, 3, 5, 15, 2099, 6297, 10495

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31478 and 31485. The biggest common factor number is the GCF number.
So the greatest common factor 31478 and 31485 is 1.

Also check out the Least Common Multiple of 31478 and 31485