What is the Greatest Common Factor of 10890 and 10902?

Greatest common factor (GCF) of 10890 and 10902 is 6.

GCF(10890,10902) = 6

We will now calculate the prime factors of 10890 and 10902, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 10890 and 10902.

How to find the GCF of 10890 and 10902?

We will first find the prime factorization of 10890 and 10902. After we will calculate the factors of 10890 and 10902 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 10902

Prime factors of 10902 are 2, 3, 23, 79. Prime factorization of 10902 in exponential form is:

10902 = 2¹ × 3¹ × 23¹ × 79¹

Step-3: Factors of 10890

List of positive integer factors of 10890 that divides 10890 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

Step-4: Factors of 10902

List of positive integer factors of 10902 that divides 10890 without a remainder.

1, 2, 3, 6, 23, 46, 69, 79, 138, 158, 237, 474, 1817, 3634, 5451

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 10890 and 10902. The biggest common factor number is the GCF number.
So the greatest common factor 10890 and 10902 is 6.

Also check out the Least Common Multiple of 10890 and 10902