What are the factors and prime factors of 198?

198 is a composite number because it has factors other than 1 and itself. It is not a Prime number.

The 12 factors of 198 are 1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, and 198.

The factor pairs of 198 are 1 x 198, 2 x 99, 3 x 66, 6 x 33, 9 x 22, and 11 x 18.

The proper factors of 198 are 1, 2, 3, 6, 9, 11, 18, 22, 33, 66, and 99 or,

if the definition you are using excludes 1, they are 2, 3, 6, 9, 11, 18, 22, 33, 66, and 99.

The prime factors of 198 are 2, 3, 3, and 11.

The 3 distinct prime factors (listing each prime factor only once) of 198 are 2, 3, and 11.

The prime factorization of 198 is 2 x 3 x 3 x 11 or, in index form (in other Words, using exponents), 2 x 32 x 11.

NOTE: There cannot be common factors, a greatest common factor, or a least common multiple of a single number because "common" refers to factors or multiples that two or more numbers have in common.