Informatics Practices
Write a program to accept a number from the user and check whether it is a prime number or not.
Python Control Flow
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Answer
n = int(input("Enter a number: "))
if n <= 1:
print(n, "is not a prime number.")
else:
factors = 0
for i in range(1, n + 1):
if n % i == 0:
factors += 1
if factors == 2:
print(n, "is a prime number.")
else:
print(n, "is not a prime number.")Output
Enter a number: 11
11 is a prime number.
Enter a number: 24
24 is not a prime number.
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