What is the Greatest Common Factor of 55785 and 55803?

Greatest common factor (GCF) of 55785 and 55803 is 3.

GCF(55785,55803) = 3

We will now calculate the prime factors of 55785 and 55803, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55785 and 55803.

How to find the GCF of 55785 and 55803?

We will first find the prime factorization of 55785 and 55803. After we will calculate the factors of 55785 and 55803 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 55803

Prime factors of 55803 are 3, 11, 19, 89. Prime factorization of 55803 in exponential form is:

55803 = 3¹ × 11¹ × 19¹ × 89¹

Step-3: Factors of 55785

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

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

Step-4: Factors of 55803

List of positive integer factors of 55803 that divides 55785 without a remainder.

1, 3, 11, 19, 33, 57, 89, 209, 267, 627, 979, 1691, 2937, 5073, 18601

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55785 and 55803. The biggest common factor number is the GCF number.
So the greatest common factor 55785 and 55803 is 3.

Also check out the Least Common Multiple of 55785 and 55803