What is the Greatest Common Factor of 40345 and 40365?

Greatest common factor (GCF) of 40345 and 40365 is 5.

GCF(40345,40365) = 5

We will now calculate the prime factors of 40345 and 40365, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40345 and 40365.

How to find the GCF of 40345 and 40365?

We will first find the prime factorization of 40345 and 40365. After we will calculate the factors of 40345 and 40365 and find the biggest common factor number .

Step-1: Prime Factorization of 40345

Prime factors of 40345 are 5, 8069. Prime factorization of 40345 in exponential form is:

40345 = 5¹ × 8069¹

Step-2: Prime Factorization of 40365

Prime factors of 40365 are 3, 5, 13, 23. Prime factorization of 40365 in exponential form is:

40365 = 3³ × 5¹ × 13¹ × 23¹

Step-3: Factors of 40345

List of positive integer factors of 40345 that divides 40345 without a remainder.

1, 5, 8069

Step-4: Factors of 40365

List of positive integer factors of 40365 that divides 40345 without a remainder.

1, 3, 5, 9, 13, 15, 23, 27, 39, 45, 65, 69, 115, 117, 135, 195, 207, 299, 345, 351, 585, 621, 897, 1035, 1495, 1755, 2691, 3105, 4485, 8073, 13455

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40345 and 40365. The biggest common factor number is the GCF number.
So the greatest common factor 40345 and 40365 is 5.

Also check out the Least Common Multiple of 40345 and 40365