Manuals/calci/ISPRIME

ISPRIME(n)

• $n$ is the number

Description

• 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.

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

See Also

• ISNUMBER
• ISODD
• ISEVEN