What is the Greatest Common Factor of 11543 and 11556?

Greatest common factor (GCF) of 11543 and 11556 is 1.

GCF(11543,11556) = 1

We will now calculate the prime factors of 11543 and 11556, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 11543 and 11556.

How to find the GCF of 11543 and 11556?

We will first find the prime factorization of 11543 and 11556. After we will calculate the factors of 11543 and 11556 and find the biggest common factor number .

Step-1: Prime Factorization of 11543

Prime factors of 11543 are 7, 17, 97. Prime factorization of 11543 in exponential form is:

11543 = 7¹ × 17¹ × 97¹

Step-2: Prime Factorization of 11556

Prime factors of 11556 are 2, 3, 107. Prime factorization of 11556 in exponential form is:

11556 = 2² × 3³ × 107¹

Step-3: Factors of 11543

List of positive integer factors of 11543 that divides 11543 without a remainder.

1, 7, 17, 97, 119, 679, 1649

Step-4: Factors of 11556

List of positive integer factors of 11556 that divides 11543 without a remainder.

1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 107, 108, 214, 321, 428, 642, 963, 1284, 1926, 2889, 3852, 5778

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 11543 and 11556. The biggest common factor number is the GCF number.
So the greatest common factor 11543 and 11556 is 1.

Also check out the Least Common Multiple of 11543 and 11556