GCF and LCM Calculator Logo

What is the Greatest Common Factor of 31543 and 31557?

Greatest common factor (GCF) of 31543 and 31557 is 1.

GCF(31543,31557) = 1

We will now calculate the prime factors of 31543 and 31557, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31543 and 31557.

GCF Calculator and
and

How to find the GCF of 31543 and 31557?

We will first find the prime factorization of 31543 and 31557. After we will calculate the factors of 31543 and 31557 and find the biggest common factor number .

Step-1: Prime Factorization of 31543

Prime factors of 31543 are 31543. Prime factorization of 31543 in exponential form is:

31543 = 315431

Step-2: Prime Factorization of 31557

Prime factors of 31557 are 3, 67, 157. Prime factorization of 31557 in exponential form is:

31557 = 31 × 671 × 1571

Step-3: Factors of 31543

List of positive integer factors of 31543 that divides 31543 without a remainder.

1

Step-4: Factors of 31557

List of positive integer factors of 31557 that divides 31543 without a remainder.

1, 3, 67, 157, 201, 471, 10519

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31543 and 31557. The biggest common factor number is the GCF number.
So the greatest common factor 31543 and 31557 is 1.

Also check out the Least Common Multiple of 31543 and 31557