What is the Greatest Common Factor of 11543 and 11551?

Greatest common factor (GCF) of 11543 and 11551 is 1.

GCF(11543,11551) = 1

We will now calculate the prime factors of 11543 and 11551, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 11543 and 11551.

How to find the GCF of 11543 and 11551?

We will first find the prime factorization of 11543 and 11551. After we will calculate the factors of 11543 and 11551 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 11551

Prime factors of 11551 are 11551. Prime factorization of 11551 in exponential form is:

11551 = 11551¹

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 11551

List of positive integer factors of 11551 that divides 11543 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 11543 and 11551. The biggest common factor number is the GCF number.
So the greatest common factor 11543 and 11551 is 1.

Also check out the Least Common Multiple of 11543 and 11551