What is the Greatest Common Factor of 10881 and 10890?

Greatest common factor (GCF) of 10881 and 10890 is 9.

GCF(10881,10890) = 9

We will now calculate the prime factors of 10881 and 10890, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 10881 and 10890.

How to find the GCF of 10881 and 10890?

We will first find the prime factorization of 10881 and 10890. After we will calculate the factors of 10881 and 10890 and find the biggest common factor number .

Step-1: Prime Factorization of 10881

Prime factors of 10881 are 3, 13, 31. Prime factorization of 10881 in exponential form is:

10881 = 3³ × 13¹ × 31¹

Step-2: Prime Factorization of 10890

Prime factors of 10890 are 2, 3, 5, 11. Prime factorization of 10890 in exponential form is:

10890 = 2¹ × 3² × 5¹ × 11²

Step-3: Factors of 10881

List of positive integer factors of 10881 that divides 10881 without a remainder.

1, 3, 9, 13, 27, 31, 39, 93, 117, 279, 351, 403, 837, 1209, 3627

Step-4: Factors of 10890

List of positive integer factors of 10890 that divides 10881 without a remainder.

1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 121, 165, 198, 242, 330, 363, 495, 605, 726, 990, 1089, 1210, 1815, 2178, 3630, 5445

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 10881 and 10890. The biggest common factor number is the GCF number.
So the greatest common factor 10881 and 10890 is 9.

Also check out the Least Common Multiple of 10881 and 10890