What is the Greatest Common Factor of 31293 and 31311?

Greatest common factor (GCF) of 31293 and 31311 is 9.

GCF(31293,31311) = 9

We will now calculate the prime factors of 31293 and 31311, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31293 and 31311.

How to find the GCF of 31293 and 31311?

We will first find the prime factorization of 31293 and 31311. After we will calculate the factors of 31293 and 31311 and find the biggest common factor number .

Step-1: Prime Factorization of 31293

Prime factors of 31293 are 3, 19, 61. Prime factorization of 31293 in exponential form is:

31293 = 3³ × 19¹ × 61¹

Step-2: Prime Factorization of 31311

Prime factors of 31311 are 3, 7, 71. Prime factorization of 31311 in exponential form is:

31311 = 3² × 7² × 71¹

Step-3: Factors of 31293

List of positive integer factors of 31293 that divides 31293 without a remainder.

1, 3, 9, 19, 27, 57, 61, 171, 183, 513, 549, 1159, 1647, 3477, 10431

Step-4: Factors of 31311

List of positive integer factors of 31311 that divides 31293 without a remainder.

1, 3, 7, 9, 21, 49, 63, 71, 147, 213, 441, 497, 639, 1491, 3479, 4473, 10437

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31293 and 31311. The biggest common factor number is the GCF number.
So the greatest common factor 31293 and 31311 is 9.

Also check out the Least Common Multiple of 31293 and 31311