What is the Greatest Common Factor of 23553 and 23562?

Greatest common factor (GCF) of 23553 and 23562 is 9.

GCF(23553,23562) = 9

We will now calculate the prime factors of 23553 and 23562, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 23553 and 23562.

How to find the GCF of 23553 and 23562?

We will first find the prime factorization of 23553 and 23562. After we will calculate the factors of 23553 and 23562 and find the biggest common factor number .

Step-1: Prime Factorization of 23553

Prime factors of 23553 are 3, 2617. Prime factorization of 23553 in exponential form is:

23553 = 3² × 2617¹

Step-2: Prime Factorization of 23562

Prime factors of 23562 are 2, 3, 7, 11, 17. Prime factorization of 23562 in exponential form is:

23562 = 2¹ × 3² × 7¹ × 11¹ × 17¹

Step-3: Factors of 23553

List of positive integer factors of 23553 that divides 23553 without a remainder.

1, 3, 9, 2617, 7851

Step-4: Factors of 23562

List of positive integer factors of 23562 that divides 23553 without a remainder.

1, 2, 3, 6, 7, 9, 11, 14, 17, 18, 21, 22, 33, 34, 42, 51, 63, 66, 77, 99, 102, 119, 126, 153, 154, 187, 198, 231, 238, 306, 357, 374, 462, 561, 693, 714, 1071, 1122, 1309, 1386, 1683, 2142, 2618, 3366, 3927, 7854, 11781

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 23553 and 23562. The biggest common factor number is the GCF number.
So the greatest common factor 23553 and 23562 is 9.

Also check out the Least Common Multiple of 23553 and 23562