What is the Greatest Common Factor of 40830 and 40845?

Greatest common factor (GCF) of 40830 and 40845 is 15.

GCF(40830,40845) = 15

We will now calculate the prime factors of 40830 and 40845, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40830 and 40845.

How to find the GCF of 40830 and 40845?

We will first find the prime factorization of 40830 and 40845. After we will calculate the factors of 40830 and 40845 and find the biggest common factor number .

Step-1: Prime Factorization of 40830

Prime factors of 40830 are 2, 3, 5, 1361. Prime factorization of 40830 in exponential form is:

40830 = 2¹ × 3¹ × 5¹ × 1361¹

Step-2: Prime Factorization of 40845

Prime factors of 40845 are 3, 5, 7, 389. Prime factorization of 40845 in exponential form is:

40845 = 3¹ × 5¹ × 7¹ × 389¹

Step-3: Factors of 40830

List of positive integer factors of 40830 that divides 40830 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 1361, 2722, 4083, 6805, 8166, 13610, 20415

Step-4: Factors of 40845

List of positive integer factors of 40845 that divides 40830 without a remainder.

1, 3, 5, 7, 15, 21, 35, 105, 389, 1167, 1945, 2723, 5835, 8169, 13615

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40830 and 40845. The biggest common factor number is the GCF number.
So the greatest common factor 40830 and 40845 is 15.

Also check out the Least Common Multiple of 40830 and 40845