عدد اول

num = int(input("please enter the number you want to check\n"))

if num > 1:
    for i in range(2, num):
        if (num % i) == 0:
            print("the number is not prime, false")
            print(str(i) + " times " + str(num//i) + " is "+ str(num))
            break
        else:
            print("the number is prime,true")
elif(num == 1):
    print("the number is not prime")
else:
    print('enter a positive value')

Farbod.313

F

Python

def x(n):
    for i in range(2,n):
        if n % i == 0:
            return False
    return True
num = int(input("num: "))
if x(num):
    print("True")
else:
    print("False")

Mehdi.rouzkhosh

M

Python

n = int(input("number:"))
numbers=[]
for i in range(2,n+1):
    numbers.append(i)
for g in range(2 , max (numbers)):
    for i in range(g, max(numbers)):
        if i*g in numbers:
         numbers.remove(i*g)
print("***")   
if n in numbers:
  print(n," is a prime number.")
else:
    print(n," is not a prime number.")

Mahdi.shariati

M

Python

while True:
    try:    
        number = int(input("Enter number: "))
        if number <= 0:
            print("Enter a positive number")
            continue
        break
    except ValueError:
        print("Invalid Input!")
result = True
if number == 1:
    result = False
for i in range(2, number):
    if number % i == 0:
        result = False
        break
print(result)

Hamidrezabre

H

Python