1.2 KiB
1.2 KiB
Function isPrime
Test whether a value is prime: has no divisors other than itself and one.
The function supports type number, bignumber.
The function is evaluated element-wise in case of Array or Matrix input.
Syntax
math.isPrime(x)
Parameters
| Parameter | Type | Description |
|---|---|---|
x |
number | BigNumber | Array | Matrix | Value to be tested |
Returns
| Type | Description |
|---|---|
| boolean | Returns true when x is larger than zero. Throws an error in case of an unknown data type. |
Throws
| Type | Description |
|---|
Examples
math.isPrime(3) // returns true
math.isPrime(-2) // returns false
math.isPrime(0) // returns false
math.isPrime(-0) // returns false
math.isPrime(0.5) // returns false
math.isPrime('2') // returns true
math.isPrime([2, 17, 100]) // returns [true, true, false]