What is the Greatest Common Factor of 31871 and 31889?

Greatest common factor (GCF) of 31871 and 31889 is 1.

GCF(31871,31889) = 1

We will now calculate the prime factors of 31871 and 31889, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31871 and 31889.

How to find the GCF of 31871 and 31889?

We will first find the prime factorization of 31871 and 31889. After we will calculate the factors of 31871 and 31889 and find the biggest common factor number .

Step-1: Prime Factorization of 31871

Prime factors of 31871 are 7, 29, 157. Prime factorization of 31871 in exponential form is:

31871 = 7¹ × 29¹ × 157¹

Step-2: Prime Factorization of 31889

Prime factors of 31889 are 11, 13, 223. Prime factorization of 31889 in exponential form is:

31889 = 11¹ × 13¹ × 223¹

Step-3: Factors of 31871

List of positive integer factors of 31871 that divides 31871 without a remainder.

1, 7, 29, 157, 203, 1099, 4553

Step-4: Factors of 31889

List of positive integer factors of 31889 that divides 31871 without a remainder.

1, 11, 13, 143, 223, 2453, 2899

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31871 and 31889. The biggest common factor number is the GCF number.
So the greatest common factor 31871 and 31889 is 1.

Also check out the Least Common Multiple of 31871 and 31889