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Diffstat (limited to '10001prime.py.orig')
| -rw-r--r-- | 10001prime.py.orig | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/10001prime.py.orig b/10001prime.py.orig deleted file mode 100644 index ecaa8cd..0000000 --- a/10001prime.py.orig +++ /dev/null @@ -1,30 +0,0 @@ -import PIL, math - -#Problem 7 - 10,001st prime - -#returns a list of every prime up to a certain number -def listprimes(number): - primes = [] - if (number <=1): - return [1] - a = [1] * number - a[0]=0 - a[1]=0#1 and 0 are not prime - ##Sieve of eratosthenes - for i in range(2,int(math.ceil(math.sqrt(number)))): - if(a[i]==1): - j = i**2 #cross out all the multiples of i, starting with its square - while(j < number): - a[j] = 0 - j+=i - - for k in range(2, number): - #is prime - if(a[k]==1): - primes.append(k) - return primes - -out_list = listprimes(1000000) -#print(out_list) -#return 10,001th prime factor -print(out_list[10000]) |