-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathProblem 47.py
34 lines (28 loc) · 836 Bytes
/
Problem 47.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
import math as mt
MAXN = 200001
spf = [0 for i in range(MAXN)]
def sieve():
spf[1] = 1
for i in range(2, MAXN):
spf[i] = i
for i in range(4, MAXN, 2):
spf[i] = 2
for i in range(3, mt.ceil(mt.sqrt(MAXN))):
if (spf[i] == i):
for j in range(i * i, MAXN, i):
if (spf[j] == j):
spf[j] = i
def getFactorization(x):
ret = list()
while (x != 1):
ret.append(spf[x])
x = x // spf[x]
return ret
sieve()
# calling getFactorization function
A = []
for i in range(1, 150000):
p = getFactorization(i)
q = set(p)
if len(q) == 4 and len(set(getFactorization(i+1))) == 4 and len(set(getFactorization(i+2))) == 4 and len(set(getFactorization(i+3))) == 4:
print(i)