Manuals/calci/ITHPRIME

ITHPRIME (Index,Max)

• $Index$ is any real number
• $Max$ 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 $i$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 $Max$ value.
• $Index$ and $Max$ should be real numbers, else Calci displays #NULL error message.
• $Max$ should be > 2.
• If $Max$ is less than the $Index$ 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 5 as a result.
=ITHPRIME(B1,B2): Calculates the 6th prime number in the series, checks if it is < 30. 
Displays 13 as a result.

Related Videos

Prime Numbers

See Also

• ISPRIME

References

• Prime Number

• List of Main Z Functions

• Z3 home