What is the Greatest Common Factor of 31143 and 31159?

Greatest common factor (GCF) of 31143 and 31159 is 1.

GCF(31143,31159) = 1

We will now calculate the prime factors of 31143 and 31159, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31143 and 31159.

How to find the GCF of 31143 and 31159?

We will first find the prime factorization of 31143 and 31159. After we will calculate the factors of 31143 and 31159 and find the biggest common factor number .

Step-1: Prime Factorization of 31143

Prime factors of 31143 are 3, 7, 1483. Prime factorization of 31143 in exponential form is:

31143 = 3¹ × 7¹ × 1483¹

Step-2: Prime Factorization of 31159

Prime factors of 31159 are 31159. Prime factorization of 31159 in exponential form is:

31159 = 31159¹

Step-3: Factors of 31143

List of positive integer factors of 31143 that divides 31143 without a remainder.

1, 3, 7, 21, 1483, 4449, 10381

Step-4: Factors of 31159

List of positive integer factors of 31159 that divides 31143 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31143 and 31159. The biggest common factor number is the GCF number.
So the greatest common factor 31143 and 31159 is 1.

Also check out the Least Common Multiple of 31143 and 31159