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In this article, we will solve the assignment of prime number in python using two methods, 1st method is simple and 2nd method is a recursive method.
1. Simple python program to check whether a number is prime or not
number = 29
flag = False
if number > 1:
for i in range(2, number):
if (number % i) == 0:
flag = True
break
if flag:
print(number, "is not a prime number")
else:
print(number, "is a prime number")2. Recursive python program to check whether a number is prime or not
def check(n, div = None):
if div is None:
div = n - 1
while div >= 2:
if n % div == 0:
print("Number not prime")
return False
else:
return check(n, div-1)
else:
print("Number is prime")
return 'True'
n=int(input("Enter number: "))
check(n)Also Read:
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