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  3. Project Euler #216: Investigating the primality of numbers of the form 2n² - 1
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Project Euler #216: Investigating the primality of numbers of the form 2n² - 1

Problem
Submissions
Leaderboard
Discussions
Hacker
Rank
Country
Score
ckyang
01
flag of China
100.00
magazinov_al
02
flag of Russian Federation
100.00
bayleef
03
flag of Ukraine
100.00
khalid_t
04
flag of France
100.00
Prabowo
05
flag of Indonesia
100.00
knightL
06
flag of Russian Federation
100.00
oleg_b
07
flag of United States
100.00
NiakTheWizard
08
flag of France
100.00
tsite
09
flag of United States
100.00
n2s0w1d7y
10
flag of China
100.00
kmcshane
11
flag of United States
100.00
light_ln2
12
flag of Russian Federation
100.00
ggarciac
13
flag of United States
100.00
weskerhluffy
14
flag of Mexico
57.41
sansen
15
flag of Japan
12.96
ultmaster
16
flag of China
09.26
kai977
17
flag of Ukraine
07.41
comp0zr
18
flag of United States
05.56

[deleted]

19
flag of null
05.56
gowthamrajj
20
flag of India
05.56
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