What is the Greatest Common Factor of 31775 and 31781?

Greatest common factor (GCF) of 31775 and 31781 is 1.

GCF(31775,31781) = 1

We will now calculate the prime factors of 31775 and 31781, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31775 and 31781.

How to find the GCF of 31775 and 31781?

We will first find the prime factorization of 31775 and 31781. After we will calculate the factors of 31775 and 31781 and find the biggest common factor number .

Step-1: Prime Factorization of 31775

Prime factors of 31775 are 5, 31, 41. Prime factorization of 31775 in exponential form is:

31775 = 5² × 31¹ × 41¹

Step-2: Prime Factorization of 31781

Prime factors of 31781 are 61, 521. Prime factorization of 31781 in exponential form is:

31781 = 61¹ × 521¹

Step-3: Factors of 31775

List of positive integer factors of 31775 that divides 31775 without a remainder.

1, 5, 25, 31, 41, 155, 205, 775, 1025, 1271, 6355

Step-4: Factors of 31781

List of positive integer factors of 31781 that divides 31775 without a remainder.

1, 61, 521

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31775 and 31781. The biggest common factor number is the GCF number.
So the greatest common factor 31775 and 31781 is 1.

Also check out the Least Common Multiple of 31775 and 31781