prime number in python
def prime(num):
if num>1:
s=int(num/2)
for i in range(2,s+1):
if num%i==0:
return("not prime")
break
return("prime")
print(prime(239))prime number in python
def prime(num):
if num>1:
s=int(num/2)
for i in range(2,s+1):
if num%i==0:
return("not prime")
break
return("prime")
print(prime(239))determine if number is prime python
# Time Efficient Primality Check in Python
def primeCheck(n):
# 0, 1, even numbers greater than 2 are NOT PRIME
if n==1 or n==0 or (n % 2 == 0 and n > 2):
return "Not prime"
else:
# Not prime if divisable by another number less
# or equal to the square root of itself.
# n**(1/2) returns square root of n
for i in range(3, int(n**(1/2))+1, 2):
if n%i == 0:
return "Not prime"
return "Prime"python calculate prime numbers until numer
until = 20
[n for n in range(2, until) if all(n % m != 0 for m in range(2, n-1))]prime number in python
import math
a=[i for i in range(2,int(input('prime number range'))) if 0 not in [i%n for n in range(2,int(math.sqrt(i)))]]
print(a)get prime number python
from num_tool import is_prime
print(is_prime(3))
#returns True because 3 is a primepython prime number
Credit to: https://www.programiz.com/python-programming/examples/prime-number
# get all prime numbers smaller than 1000
for num in range(0,1000):
if num > 1:
# check for factors
for i in range(2,num):
if (num % i) == 0:
print(num,"is not a prime number")
print(i,"times",num//i,"is",num)
break
else:
print(num,"is a prime number")
# if input number is less than
# or equal to 1, it is not prime
else:
print(num,"is not a prime number")Copyright © 2021 Codeinu
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