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A natural

**number**(i.e.

**1**, 2, 3, 4, 5, 6, etc.) is called a prime

**number**(or a prime) if it has exactly two positive factors,

**1**and the

**number**itself. Natural

**numbers**that have more than two positive factors are called

**composite**.

**1**has only

**one**positive factor i.e. no.

**1**only. Hence

**1**is neither prime nor

**composite**.

**answer: therefore 1 is not a prime or composite number.**

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