What is the Greatest Common Factor of 31390 and 31399?

Greatest common factor (GCF) of 31390 and 31399 is 1.

GCF(31390,31399) = 1

We will now calculate the prime factors of 31390 and 31399, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31390 and 31399.

How to find the GCF of 31390 and 31399?

We will first find the prime factorization of 31390 and 31399. After we will calculate the factors of 31390 and 31399 and find the biggest common factor number .

Step-1: Prime Factorization of 31390

Prime factors of 31390 are 2, 5, 43, 73. Prime factorization of 31390 in exponential form is:

31390 = 2¹ × 5¹ × 43¹ × 73¹

Step-2: Prime Factorization of 31399

Prime factors of 31399 are 17, 1847. Prime factorization of 31399 in exponential form is:

31399 = 17¹ × 1847¹

Step-3: Factors of 31390

List of positive integer factors of 31390 that divides 31390 without a remainder.

1, 2, 5, 10, 43, 73, 86, 146, 215, 365, 430, 730, 3139, 6278, 15695

Step-4: Factors of 31399

List of positive integer factors of 31399 that divides 31390 without a remainder.

1, 17, 1847

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31390 and 31399. The biggest common factor number is the GCF number.
So the greatest common factor 31390 and 31399 is 1.

Also check out the Least Common Multiple of 31390 and 31399