What is the Greatest Common Factor of 55780 and 55785?

Greatest common factor (GCF) of 55780 and 55785 is 5.

GCF(55780,55785) = 5

We will now calculate the prime factors of 55780 and 55785, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55780 and 55785.

How to find the GCF of 55780 and 55785?

We will first find the prime factorization of 55780 and 55785. After we will calculate the factors of 55780 and 55785 and find the biggest common factor number .

Step-1: Prime Factorization of 55780

Prime factors of 55780 are 2, 5, 2789. Prime factorization of 55780 in exponential form is:

55780 = 2² × 5¹ × 2789¹

Step-2: Prime Factorization of 55785

Prime factors of 55785 are 3, 5, 3719. Prime factorization of 55785 in exponential form is:

55785 = 3¹ × 5¹ × 3719¹

Step-3: Factors of 55780

List of positive integer factors of 55780 that divides 55780 without a remainder.

1, 2, 4, 5, 10, 20, 2789, 5578, 11156, 13945, 27890

Step-4: Factors of 55785

List of positive integer factors of 55785 that divides 55780 without a remainder.

1, 3, 5, 15, 3719, 11157, 18595

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55780 and 55785. The biggest common factor number is the GCF number.
So the greatest common factor 55780 and 55785 is 5.

Also check out the Least Common Multiple of 55780 and 55785