Python | sympy.isprime() method
In the sympy module, we can test whether a given number n is prime or not using sympy.isprime() function. For n < 2^64 the answer is definitive; larger n values have a small probability of actually being pseudoprimes.
Note that Negative numbers (e.g. -13) are not considered prime number.
Syntax: sympy.isprime()
Parameter: n; number to be tested
Return: bool value result
Code #1:
Python3
from sympy import *
geek1 = isprime( 30 )
geek2 = isprime( 13 )
geek3 = isprime( 2 )
print (geek1)
print (geek2)
print (geek3)
|
Output:
False
True
True
Code #2:
Python3
import sympy.ntheory as nt
geek1 = nt.isprime( 30 )
geek2 = nt.isprime( 13 )
geek3 = nt.isprime( 2 )
print (geek1)
print (geek2)
print (geek3)
|
Output:
False
True
True
Last Updated :
08 Feb, 2023
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