What is the Greatest Common Factor of 48909 and 48915?

Greatest common factor (GCF) of 48909 and 48915 is 3.

GCF(48909,48915) = 3

We will now calculate the prime factors of 48909 and 48915, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 48909 and 48915.

How to find the GCF of 48909 and 48915?

We will first find the prime factorization of 48909 and 48915. After we will calculate the factors of 48909 and 48915 and find the biggest common factor number .

Step-1: Prime Factorization of 48909

Prime factors of 48909 are 3, 7, 17, 137. Prime factorization of 48909 in exponential form is:

48909 = 3¹ × 7¹ × 17¹ × 137¹

Step-2: Prime Factorization of 48915

Prime factors of 48915 are 3, 5, 1087. Prime factorization of 48915 in exponential form is:

48915 = 3² × 5¹ × 1087¹

Step-3: Factors of 48909

List of positive integer factors of 48909 that divides 48909 without a remainder.

1, 3, 7, 17, 21, 51, 119, 137, 357, 411, 959, 2329, 2877, 6987, 16303

Step-4: Factors of 48915

List of positive integer factors of 48915 that divides 48909 without a remainder.

1, 3, 5, 9, 15, 45, 1087, 3261, 5435, 9783, 16305

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 48909 and 48915. The biggest common factor number is the GCF number.
So the greatest common factor 48909 and 48915 is 3.

Also check out the Least Common Multiple of 48909 and 48915