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A natural number is called a prime number (or a prime) if it is bigger than one and has no divisors other than 1 and itself. ...[source]
| Date Time | Rank | Info |
|---|---|---|
| 2011-09-07 17:00:21 | 19 | A natural number is called a prime number (or a prime) if it is bigger than one and has no divisors other than 1 and itself. ...[source] |
| 2008-12-02 13:53:24 | 14 | |