What is the Greatest Common Factor of 55561 and 55572?

Greatest common factor (GCF) of 55561 and 55572 is 11.

GCF(55561,55572) = 11

We will now calculate the prime factors of 55561 and 55572, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55561 and 55572.

How to find the GCF of 55561 and 55572?

We will first find the prime factorization of 55561 and 55572. After we will calculate the factors of 55561 and 55572 and find the biggest common factor number .

Step-1: Prime Factorization of 55561

Prime factors of 55561 are 11, 5051. Prime factorization of 55561 in exponential form is:

55561 = 11¹ × 5051¹

Step-2: Prime Factorization of 55572

Prime factors of 55572 are 2, 3, 11, 421. Prime factorization of 55572 in exponential form is:

55572 = 2² × 3¹ × 11¹ × 421¹

Step-3: Factors of 55561

List of positive integer factors of 55561 that divides 55561 without a remainder.

1, 11, 5051

Step-4: Factors of 55572

List of positive integer factors of 55572 that divides 55561 without a remainder.

1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 421, 842, 1263, 1684, 2526, 4631, 5052, 9262, 13893, 18524, 27786

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55561 and 55572. The biggest common factor number is the GCF number.
So the greatest common factor 55561 and 55572 is 11.

Also check out the Least Common Multiple of 55561 and 55572