Q:

What are the factors of 121?

A:

The factors of 121 are 1, 11 and 121. Therefore, 121 has a total of three factors. Every number has at least two factors: 1 and the number itself.

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A factor is a whole number that divides into another number completely without leaving any remainder. Numbers with just two factors, 1 and itself, are called prime numbers, while those having more than two factors are called composite numbers. The number 121 can be written in these ways: 121 = 1 X 121 or 121 = 11 X 11. Some composite numbers have many factors. For example, the factors of 12 are 1, 2, 3, 4, 6 and 12.

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