the list of prime number in a given range python
n=int(input("Enter the number till you want to check: "))
primes = []
for i in range (2, n+1):
for j in range(2, i):
if i%j == 0:
break
else:
primes.append(i)
print(primes)python generator prime numbers
# effiecent and fast way to generate prime numbers
def primeCheck(n):
if n == 1 or n == 0 or (n % 2 == 0 and n > 2):
return False
else:
for o in range(3, int(n ** (1 / 2)) + 1, 2):
if n % o == 0:
return False
return True
for a in range(2**15):
if primeCheck(a):
prime_numbers.append(a)Copyright © 2021 Codeinu
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