What is the Greatest Common Factor of 55556 and 55566?

Greatest common factor (GCF) of 55556 and 55566 is 2.

GCF(55556,55566) = 2

We will now calculate the prime factors of 55556 and 55566, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55556 and 55566.

How to find the GCF of 55556 and 55566?

We will first find the prime factorization of 55556 and 55566. After we will calculate the factors of 55556 and 55566 and find the biggest common factor number .

Step-1: Prime Factorization of 55556

Prime factors of 55556 are 2, 17, 19, 43. Prime factorization of 55556 in exponential form is:

55556 = 2² × 17¹ × 19¹ × 43¹

Step-2: Prime Factorization of 55566

Prime factors of 55566 are 2, 3, 7. Prime factorization of 55566 in exponential form is:

55566 = 2¹ × 3⁴ × 7³

Step-3: Factors of 55556

List of positive integer factors of 55556 that divides 55556 without a remainder.

1, 2, 4, 17, 19, 34, 38, 43, 68, 76, 86, 172, 323, 646, 731, 817, 1292, 1462, 1634, 2924, 3268, 13889, 27778

Step-4: Factors of 55566

List of positive integer factors of 55566 that divides 55556 without a remainder.

1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 126, 147, 162, 189, 294, 343, 378, 441, 567, 686, 882, 1029, 1134, 1323, 2058, 2646, 3087, 3969, 6174, 7938, 9261, 18522, 27783

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55556 and 55566. The biggest common factor number is the GCF number.
So the greatest common factor 55556 and 55566 is 2.

Also check out the Least Common Multiple of 55556 and 55566