What is the Greatest Common Factor of 49890 and 49905?

Greatest common factor (GCF) of 49890 and 49905 is 15.

GCF(49890,49905) = 15

We will now calculate the prime factors of 49890 and 49905, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 49890 and 49905.

How to find the GCF of 49890 and 49905?

We will first find the prime factorization of 49890 and 49905. After we will calculate the factors of 49890 and 49905 and find the biggest common factor number .

Step-1: Prime Factorization of 49890

Prime factors of 49890 are 2, 3, 5, 1663. Prime factorization of 49890 in exponential form is:

49890 = 2¹ × 3¹ × 5¹ × 1663¹

Step-2: Prime Factorization of 49905

Prime factors of 49905 are 3, 5, 1109. Prime factorization of 49905 in exponential form is:

49905 = 3² × 5¹ × 1109¹

Step-3: Factors of 49890

List of positive integer factors of 49890 that divides 49890 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 1663, 3326, 4989, 8315, 9978, 16630, 24945

Step-4: Factors of 49905

List of positive integer factors of 49905 that divides 49890 without a remainder.

1, 3, 5, 9, 15, 45, 1109, 3327, 5545, 9981, 16635

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 49890 and 49905. The biggest common factor number is the GCF number.
So the greatest common factor 49890 and 49905 is 15.

Also check out the Least Common Multiple of 49890 and 49905