What is the Greatest Common Factor of 40645 and 40665?

Greatest common factor (GCF) of 40645 and 40665 is 5.

GCF(40645,40665) = 5

We will now calculate the prime factors of 40645 and 40665, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40645 and 40665.

How to find the GCF of 40645 and 40665?

We will first find the prime factorization of 40645 and 40665. After we will calculate the factors of 40645 and 40665 and find the biggest common factor number .

Step-1: Prime Factorization of 40645

Prime factors of 40645 are 5, 11, 739. Prime factorization of 40645 in exponential form is:

40645 = 5¹ × 11¹ × 739¹

Step-2: Prime Factorization of 40665

Prime factors of 40665 are 3, 5, 2711. Prime factorization of 40665 in exponential form is:

40665 = 3¹ × 5¹ × 2711¹

Step-3: Factors of 40645

List of positive integer factors of 40645 that divides 40645 without a remainder.

1, 5, 11, 55, 739, 3695, 8129

Step-4: Factors of 40665

List of positive integer factors of 40665 that divides 40645 without a remainder.

1, 3, 5, 15, 2711, 8133, 13555

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40645 and 40665. The biggest common factor number is the GCF number.
So the greatest common factor 40645 and 40665 is 5.

Also check out the Least Common Multiple of 40645 and 40665