What is the Greatest Common Factor of 49809 and 49815?

Greatest common factor (GCF) of 49809 and 49815 is 3.

GCF(49809,49815) = 3

We will now calculate the prime factors of 49809 and 49815, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 49809 and 49815.

How to find the GCF of 49809 and 49815?

We will first find the prime factorization of 49809 and 49815. After we will calculate the factors of 49809 and 49815 and find the biggest common factor number .

Step-1: Prime Factorization of 49809

Prime factors of 49809 are 3, 16603. Prime factorization of 49809 in exponential form is:

49809 = 3¹ × 16603¹

Step-2: Prime Factorization of 49815

Prime factors of 49815 are 3, 5, 41. Prime factorization of 49815 in exponential form is:

49815 = 3⁵ × 5¹ × 41¹

Step-3: Factors of 49809

List of positive integer factors of 49809 that divides 49809 without a remainder.

1, 3, 16603

Step-4: Factors of 49815

List of positive integer factors of 49815 that divides 49809 without a remainder.

1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 243, 369, 405, 615, 1107, 1215, 1845, 3321, 5535, 9963, 16605

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 49809 and 49815. The biggest common factor number is the GCF number.
So the greatest common factor 49809 and 49815 is 3.

Also check out the Least Common Multiple of 49809 and 49815