What is the Greatest Common Factor of 40545 and 40551?

Greatest common factor (GCF) of 40545 and 40551 is 3.

GCF(40545,40551) = 3

We will now calculate the prime factors of 40545 and 40551, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40545 and 40551.

How to find the GCF of 40545 and 40551?

We will first find the prime factorization of 40545 and 40551. After we will calculate the factors of 40545 and 40551 and find the biggest common factor number .

Step-1: Prime Factorization of 40545

Prime factors of 40545 are 3, 5, 17, 53. Prime factorization of 40545 in exponential form is:

40545 = 3² × 5¹ × 17¹ × 53¹

Step-2: Prime Factorization of 40551

Prime factors of 40551 are 3, 7, 1931. Prime factorization of 40551 in exponential form is:

40551 = 3¹ × 7¹ × 1931¹

Step-3: Factors of 40545

List of positive integer factors of 40545 that divides 40545 without a remainder.

1, 3, 5, 9, 15, 17, 45, 51, 53, 85, 153, 159, 255, 265, 477, 765, 795, 901, 2385, 2703, 4505, 8109, 13515

Step-4: Factors of 40551

List of positive integer factors of 40551 that divides 40545 without a remainder.

1, 3, 7, 21, 1931, 5793, 13517

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40545 and 40551. The biggest common factor number is the GCF number.
So the greatest common factor 40545 and 40551 is 3.

Also check out the Least Common Multiple of 40545 and 40551