isPrime
The isPrime function checks if an integer is prime.
Syntax
typescript
isPrime(value)Parameters
| Name | Type | Description |
|---|---|---|
value | number | Integer to be checked. |
Return Value
| Type | Description |
|---|---|
boolean | true if the number is prime, else false. |
Examples
typescript
isPrime(7); // true
isPrime(10); // false
isPrime(1); // falseNotes
- Throws a
TypeErrorif the value is not an integer. - Prime numbers are greater than 1 and divisible only by 1 and themselves.
- Useful for mathematical algorithms and cryptography.