Any Prime number, e.g. 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, etc.
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A number that has exactly two (positive) factors is called a prime number. For instance, the only factors of 7 are 1 and 7.
A prime number
No, a prime number has exactly two factors: 1 and itself.
a prime number
prime number