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Prime

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Prime[n]

Prime[{$n_0$, $n_1$, ...}]

returns the nth prime number where n is an positive Integer.
If given a list of integers, the return value is a list with Prime applied to each.

Note that the first prime is 2, not 1:

• • Prime[1]

• • Prime[167]

When given a list of integers, a list is returned:

• • Prime[{5, 10, 15}]

1.2 isn't an integer

• • Prime[1.2]

Since 0 is less than 1, like 1.2 it is invalid.

• • Prime[{0, 1, 1.2, 3}]