What is the Greatest Common Factor of 40743 and 40761?

Greatest common factor (GCF) of 40743 and 40761 is 9.

GCF(40743,40761) = 9

We will now calculate the prime factors of 40743 and 40761, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40743 and 40761.

How to find the GCF of 40743 and 40761?

We will first find the prime factorization of 40743 and 40761. After we will calculate the factors of 40743 and 40761 and find the biggest common factor number .

Step-1: Prime Factorization of 40743

Prime factors of 40743 are 3, 503. Prime factorization of 40743 in exponential form is:

40743 = 3⁴ × 503¹

Step-2: Prime Factorization of 40761

Prime factors of 40761 are 3, 7, 647. Prime factorization of 40761 in exponential form is:

40761 = 3² × 7¹ × 647¹

Step-3: Factors of 40743

List of positive integer factors of 40743 that divides 40743 without a remainder.

1, 3, 9, 27, 81, 503, 1509, 4527, 13581

Step-4: Factors of 40761

List of positive integer factors of 40761 that divides 40743 without a remainder.

1, 3, 7, 9, 21, 63, 647, 1941, 4529, 5823, 13587

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40743 and 40761. The biggest common factor number is the GCF number.
So the greatest common factor 40743 and 40761 is 9.

Also check out the Least Common Multiple of 40743 and 40761