Number is prime
Checks if the provided integer is a prime number.
- Return
False
if the number is0
,1
, a negative number or a multiple of2
. - Use
all()
andrange()
to check numbers from3
to the square root of the given number. - Return
True
if none divides the given number,False
otherwise.
from math import sqrt def is_prime(n): if n <= 1 or (n % 2 == 0 and n > 2): return False return all(n % i for i in range(3, int(sqrt(n)) + 1, 2)) is_prime(11) # True