What is the Greatest Common Factor of 73890 and 73908?

Greatest common factor (GCF) of 73890 and 73908 is 18.

GCF(73890,73908) = 18

We will now calculate the prime factors of 73890 and 73908, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 73890 and 73908.

How to find the GCF of 73890 and 73908?

We will first find the prime factorization of 73890 and 73908. After we will calculate the factors of 73890 and 73908 and find the biggest common factor number .

Step-1: Prime Factorization of 73890

Prime factors of 73890 are 2, 3, 5, 821. Prime factorization of 73890 in exponential form is:

73890 = 2¹ × 3² × 5¹ × 821¹

Step-2: Prime Factorization of 73908

Prime factors of 73908 are 2, 3, 2053. Prime factorization of 73908 in exponential form is:

73908 = 2² × 3² × 2053¹

Step-3: Factors of 73890

List of positive integer factors of 73890 that divides 73890 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 821, 1642, 2463, 4105, 4926, 7389, 8210, 12315, 14778, 24630, 36945

Step-4: Factors of 73908

List of positive integer factors of 73908 that divides 73890 without a remainder.

1, 2, 3, 4, 6, 9, 12, 18, 36, 2053, 4106, 6159, 8212, 12318, 18477, 24636, 36954

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 73890 and 73908. The biggest common factor number is the GCF number.
So the greatest common factor 73890 and 73908 is 18.

Also check out the Least Common Multiple of 73890 and 73908