def leftTrunc(n):
if str(n)[1:] == '':
return ansr
else:
if ef.isPrime(n):
if ef.isPrime(int(str(n)[1:])):
ansr.append(True)
return leftTrunc(int(str(n)[1:]))
else:
ansr.append(False)
return [0]
else:
return [0]
def rightTrunc(n):
if str(n)[1:] == '':
return ansl
else:
if ef.isPrime(n):
if ef.isPrime(int(str(n)[:-1])):
ansl.append(True)
return rightTrunc(int(str(n)[:-1]))
else:
ansl.append(False)
return [0]
else:
return [0]
def compute():
ans = [2, 3]
a = 5
while a <= 2000000:
if ef.isPrime(a):
ans.append(a)
a += 2
# print((ans))
else:
a += 2
return sum(ans)
def compute():
ans = [2, 3]
a = 5
while len(ans) <= 10000:
if ef.isPrime(a):
ans.append(a)
a += 2
# print((ans))
else:
a += 2
return max(ans)
#!/usr/bin/env python
from eulerfuncs import isPrime
if __name__ == '__main__':
primes = [2]
n = 3
while len(primes) < 10001:
if isPrime(n):
primes.append(n)
n += 2
print(primes[10000])
def countPrimes(a, b):
for n in count(0):
if not isPrime(n**2 + a*n + b):
return n