programa para verificar el número primo en el ejemplo de código de Python

Ejemplo 1: cómo comprobar si un número es primo en python

def prime(num):
        for x in range(2,num):
            if num % x == 0:
                return False
        return True

Ejemplo 2: Python calcula números primos hasta num

until = 20
[n for n in range(2, until) if all(n % m != 0 for m in range(2, n-1))]

Ejemplo 3: verificador principal en python

#make the function
#to do this all hte vairibles go in side the function

def CheckIfPrime ():
    a1 = input("which number do you want to check")
    a = int(a1)#you need the checking number as an int not an str
    b = 2 #the number to check againts
    c = ("yes")
    while b < a:#run the loop
        if a%b == 0:#check if the division has a remainder
            c = ("no")#set the answer
        b = b+1
    print(c)#print the output
CheckIfPrime ()#call the function

Ejemplo 4: compruebe si un número es primo python

n=input('Enter the number you want to check: ')
try:
    n=int(n)
except:
    print('Wrong input.')
    quit()
if n==1 or n==0:
    print('This is neither prime nor composite')
else:
    c=0
    for i in range(2,n):
        if n%i==0:
            c=c+1
    if c==0:
        print("This is a prime number")
    else:
        print('This  is a composite number.')

Ejemplo 5: programa de números primos Python

# Python program to display all the prime numbers within an interval

lower = 900
upper = 1000

print("Prime numbers between", lower, "and", upper, "are:")

for num in range(lower, upper + 1):
   # all prime numbers are greater than 1
   if num > 1:
       for i in range(2, num):
           if (num % i) == 0:
               break
       else:
           print(num)Copied

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