What is the Greatest Common Factor of 40505 and 40515?

Greatest common factor (GCF) of 40505 and 40515 is 5.

GCF(40505,40515) = 5

We will now calculate the prime factors of 40505 and 40515, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40505 and 40515.

How to find the GCF of 40505 and 40515?

We will first find the prime factorization of 40505 and 40515. After we will calculate the factors of 40505 and 40515 and find the biggest common factor number .

Step-1: Prime Factorization of 40505

Prime factors of 40505 are 5, 8101. Prime factorization of 40505 in exponential form is:

40505 = 5¹ × 8101¹

Step-2: Prime Factorization of 40515

Prime factors of 40515 are 3, 5, 37, 73. Prime factorization of 40515 in exponential form is:

40515 = 3¹ × 5¹ × 37¹ × 73¹

Step-3: Factors of 40505

List of positive integer factors of 40505 that divides 40505 without a remainder.

1, 5, 8101

Step-4: Factors of 40515

List of positive integer factors of 40515 that divides 40505 without a remainder.

1, 3, 5, 15, 37, 73, 111, 185, 219, 365, 555, 1095, 2701, 8103, 13505

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40505 and 40515. The biggest common factor number is the GCF number.
So the greatest common factor 40505 and 40515 is 5.

Also check out the Least Common Multiple of 40505 and 40515