What is the Greatest Common Factor of 31749 and 31768?

Greatest common factor (GCF) of 31749 and 31768 is 19.

GCF(31749,31768) = 19

We will now calculate the prime factors of 31749 and 31768, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31749 and 31768.

How to find the GCF of 31749 and 31768?

We will first find the prime factorization of 31749 and 31768. After we will calculate the factors of 31749 and 31768 and find the biggest common factor number .

Step-1: Prime Factorization of 31749

Prime factors of 31749 are 3, 19, 557. Prime factorization of 31749 in exponential form is:

31749 = 3¹ × 19¹ × 557¹

Step-2: Prime Factorization of 31768

Prime factors of 31768 are 2, 11, 19. Prime factorization of 31768 in exponential form is:

31768 = 2³ × 11¹ × 19²

Step-3: Factors of 31749

List of positive integer factors of 31749 that divides 31749 without a remainder.

1, 3, 19, 57, 557, 1671, 10583

Step-4: Factors of 31768

List of positive integer factors of 31768 that divides 31749 without a remainder.

1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 361, 418, 722, 836, 1444, 1672, 2888, 3971, 7942, 15884

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31749 and 31768. The biggest common factor number is the GCF number.
So the greatest common factor 31749 and 31768 is 19.

Also check out the Least Common Multiple of 31749 and 31768