What are the factors and prime factors of 220?

220 is a composite number. It has factors other than 1 and itself.

The 12 factors of 220 are 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, and 220. The factor pairs of 220 are 1 x 220, 2 x 110, 4 x 55, 5 x 44, 10 x 22, and 11 x 20. The proper factors of 220 are 1, 2, 4, 5, 10, 11, 20, 22, 44, 55, and 110 or,

if the definition you are using excludes 1, they are 2, 4, 5, 10, 11, 20, 22, 44, 55, and 110. The prime factors of 220 are 2, 2, 5, and 11. Note: There is repetition of these factors, so if the prime factors are being listed instead of the prime factorization, usually only the distinct prime factors are listed.

The distinct prime factors of 220 are 2, 5, and 11. The prime factorization of 220 is 2 x 2 x 5 x 11 or, in exponential form, 22 x 5 x 11.