What is the Greatest Common Factor of 55761 and 55770?

Greatest common factor (GCF) of 55761 and 55770 is 3.

GCF(55761,55770) = 3

We will now calculate the prime factors of 55761 and 55770, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55761 and 55770.

How to find the GCF of 55761 and 55770?

We will first find the prime factorization of 55761 and 55770. After we will calculate the factors of 55761 and 55770 and find the biggest common factor number .

Step-1: Prime Factorization of 55761

Prime factors of 55761 are 3, 18587. Prime factorization of 55761 in exponential form is:

55761 = 3¹ × 18587¹

Step-2: Prime Factorization of 55770

Prime factors of 55770 are 2, 3, 5, 11, 13. Prime factorization of 55770 in exponential form is:

55770 = 2¹ × 3¹ × 5¹ × 11¹ × 13²

Step-3: Factors of 55761

List of positive integer factors of 55761 that divides 55761 without a remainder.

1, 3, 18587

Step-4: Factors of 55770

List of positive integer factors of 55770 that divides 55761 without a remainder.

1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 169, 195, 286, 330, 338, 390, 429, 507, 715, 845, 858, 1014, 1430, 1690, 1859, 2145, 2535, 3718, 4290, 5070, 5577, 9295, 11154, 18590, 27885

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55761 and 55770. The biggest common factor number is the GCF number.
So the greatest common factor 55761 and 55770 is 3.

Also check out the Least Common Multiple of 55761 and 55770