What is the Greatest Common Factor of 51780 and 51789?

Greatest common factor (GCF) of 51780 and 51789 is 3.

GCF(51780,51789) = 3

We will now calculate the prime factors of 51780 and 51789, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 51780 and 51789.

How to find the GCF of 51780 and 51789?

We will first find the prime factorization of 51780 and 51789. After we will calculate the factors of 51780 and 51789 and find the biggest common factor number .

Step-1: Prime Factorization of 51780

Prime factors of 51780 are 2, 3, 5, 863. Prime factorization of 51780 in exponential form is:

51780 = 2² × 3¹ × 5¹ × 863¹

Step-2: Prime Factorization of 51789

Prime factors of 51789 are 3, 61, 283. Prime factorization of 51789 in exponential form is:

51789 = 3¹ × 61¹ × 283¹

Step-3: Factors of 51780

List of positive integer factors of 51780 that divides 51780 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 863, 1726, 2589, 3452, 4315, 5178, 8630, 10356, 12945, 17260, 25890

Step-4: Factors of 51789

List of positive integer factors of 51789 that divides 51780 without a remainder.

1, 3, 61, 183, 283, 849, 17263

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 51780 and 51789. The biggest common factor number is the GCF number.
So the greatest common factor 51780 and 51789 is 3.

Also check out the Least Common Multiple of 51780 and 51789