# Manuals/calci/ITHPRIME

Jump to navigation
Jump to search

**ITHPRIME (Index,Max)**

- is any real number
- is the maximum limit
- ITHPRIME(), returns the ith prime.

## Description

ITHPRIME(Index,Max)

For Example,

ITHPRIME(4,25) returns *7* as a result.

- ITHPRIME(Index,Max) calculates the th prime number from the Prime Number Series (2,3,5,7,11,13,17..........) and displays as an output, if it is less than value.
- and should be real numbers, else Calci displays #NULL error message.
- should be > 2.
- If is less than the prime number value, Calci displays #NULL error message.

## Examples

Consider the following example in Calci, that shows the use of ITHPRIME function:

3 | 6 | |

6 | 30 | |

=ITHPRIME(A1,A2): Calculates the 3rd prime number in the series, checks if it is < 6.Displays 5as a result. =ITHPRIME(B1,B2): Calculates the 6th prime number in the series, checks if it is < 30.Displays 13as a result.

## Related Videos

## See Also

## References