print all prime numbers in a given interval

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)

Output:

Theoutput of this program will be the prime numbers between 900 and 1000:

937, 941, 947, 953, 967, 971, 977, 983, 991, 997