Manuals/calci/ISPRIME

ISPRIME (Number)

• $Number$ is any real number.
  • ISPRIME(), returns the TRUE if the value is prime number.

Description

• Opposite of ISCOMPOSITE
• This function is one of the group in ISFUNCTIONS.
• The IS FUNCTION is also known as data information functions, data inspection functions or data-testing functions.
• ISPRIME function is used to test the given number is prime or not.
• This function gives the result as TRUE when the given value is prime otherwise this function gives th result as FALSE.
• A prime number is a natural number, it can be divided, without a remainder, only by itself and by 1.
• For e.g. The number 11 is a prime, because 11 is divided by 1 and 11 without any remainder.
• But 6 is not prime, because 6 can be divided by 1,2,3 and 6.
• Also the number 0 and 1 are neither prime nor composite.

ZOS

• The syntax is to find whether the given number is prime in ZOS is $ISPRIME(Number)$.
  • $Number$ is any number.
• For e.g.,ISPRIME(5.1)= false.

Examples

1. =ISPRIME(2)=TRUE
2. =ISPRIME(7)=TRUE
3. =ISPRIME(105)=FALSE
4. =ISPRIME(1)=TRUE
5. =ISPRIME(-2)=FALSE
6. =ISPRIME(0)=FALSE
7. = ISPRIME(5.1) = FALSE

Related Videos

PRIME NUMBERS

See Also

• ISNUMBER
• ISODD
• ISEVEN

References

Is functions

• List of Main Z Functions

• Z3 home