Esempio n. 1
0
from myfunc import prime_list

sum = 0
for i in prime_list():
  if (i > 2000000):
    break
  sum += i
print sum
Esempio n. 2
0
from myfunc import prime_list
from itertools import islice

print islice(prime_list(), 10001, 10002).next()
Esempio n. 3
0
from myfunc import is_prime, prime_list

bestcount = 0
bestproduct = 0
for n in xrange(0,200):
  print "n=",n
  for a in xrange(-1000,1000):
    count = 0
    for b in prime_list(1000):
      if (((n**2)+(a*n)+b) > 0):
        if (is_prime((n**2)+(a*n)+b)):
          count += 1
    if (count > bestcount):
      bestcount, bestproduct = count, a*b
print bestproduct
Esempio n. 4
0
import myfunc

count = 0
for i in myfunc.prime_list():
  if i > 1000000:
    break
  tmp = myfunc.shift_digits(str(i), 1)
  circ = True
  while int(tmp) != i:
    if not myfunc.is_prime(int(tmp)):
      circ = False
    tmp = myfunc.shift_digits(tmp, 1)
  if circ:
    count += 1
print count