knative-report/functions/isprime.py

14 lines
334 B
Python

def isprime(event,context):
n= event['data']
if n == 2 or n == 3: return "Prime"
if n < 2 or n%2 == 0: return "Not Prime"
if n < 9: return "Prime"
if n%3 == 0: return "Not Prime"
r = int(n**0.5)
f = 5
while f <= r:
if n%f == 0: return "Not Prime"
if n%(f+2) == 0: return "Not Prime"
f +=6
return "Prime"