Solution - Task 31: Is this number prime?

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One possible program:

number_to_check = int(input("n (>=2): "))
is_prime = True

for divisor in range(2, number_to_check):
    if number_to_check % divisor == 0:
        is_prime = False
        break

if is_prime:
    print("prime")
else:
    print("not prime")