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Can you name the Missing Prime Numbers?
Enter a prime number in the box below
Correctly named prime numbers will show up in the table below
Answers do not have to be guessed in order
The single digit #'s are provided as a starting point
You have 2 minutes to guess after you click the button below.
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Ready? Click to Start
Enter prime number:
Time remaining:
2
3
5
7
149
151
157
163
...
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There are
41 comments
for this game.
(Warning: comments may contain spoilers)
Prime Numbers
Rating
:
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Plays
: 154,530
Published
: July 14th, 2008
Report a mistake
Tags:
number
,
prime
,
math
,
Prime Numbers
,
math pack
Comment below threshold:
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Alex:
Aug 26th, 2008 at 08:51 GMT
-134 points
O.K., this is the most pathetic attempt at a science quiz I have ever seen. For the love of God, hire someone who paid attention in college and didn't just go to play baseball or take sociology or whatever it is all you guys did. Really. Honestly. (I take it back. The NATO alphabet is a worse "science" quiz.)
Brandon
:
Sep 23rd, 2008 at 02:31 GMT
30 points
then get then **** off this site and stop taking these quiz's. get a life
Comment below threshold:
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JoeGrzzly
:
Oct 12th, 2008 at 06:14 GMT
-33 points
main problem to me is the short time limit, you should add one more level.
zack:
Nov 3rd, 2008 at 19:03 GMT
2 points
27 out of 30 is not so bad ran out of time =(
Bray
:
Nov 4th, 2008 at 18:31 GMT
0 points
I got 28 on first try, got 30 now with 0:29 left. Tight time limit. xD
baseballguy17
:
Nov 18th, 2008 at 19:51 GMT
-1 points
Got them all with 12 seconds left. I love this site!
Comment below threshold:
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JoeGrzzly
:
Nov 25th, 2008 at 17:12 GMT
-11 points
sorry i meant minute, and i still think it needs one more minute.
scatmanfan
:
Nov 27th, 2008 at 16:55 GMT
1 point
30/30 w/ 9 seconds. But i really don't like the ones where you can just guess...
Tony:
Dec 11th, 2008 at 23:54 GMT
0 points
30/30 with 0:44, not that hard. Just gotta guess all odd numbers that dont end in 5, or divisible by 11. Theres not that many.
Kicking222
:
Dec 14th, 2008 at 15:55 GMT
3 points
A lot more fun when you actually try to thing of them as opposed to just guessing every odd number that doesn't end in 5. Of course, I was a math major (among others), so I'm also a nerd regarding crap like this. Still, I had a good time.
Catherine_F
:
Dec 18th, 2008 at 17:43 GMT
2 points
Took me ages to work out why 51 isn't a prime number. Not familiar with my 17 times table.
TRad
:
Dec 28th, 2008 at 17:57 GMT
7 points
Catherine Forget 17. 5+1=6=3*2, so 51 is divisable (is such a word in English?) by 3.
davidr
:
Jan 3rd, 2009 at 14:16 GMT
5 points
@TRad: Yes, it's a word but it's spelt "divisible".
Tom Benedict:
Jan 16th, 2009 at 10:40 GMT
-3 points
Good quiz. Did it with 3 seconds to spare! Very Hollywood!
Qrystal
:
Jan 26th, 2009 at 13:28 GMT
1 point
That was tense! I had only 2 seconds left when I got to the end! I started out by memory, but never really memorized this many of the primes so I had to resort to guessing. The short time limit is perfect, IMHO!
Etheridge2
:
Jan 31st, 2009 at 03:24 GMT
-2 points
at first i didn't think i would have enough time but got them all with 2 seconds to spare
Skydog
:
Mar 14th, 2009 at 17:18 GMT
-2 points
:) Got them all on first try
Kathryn:
Mar 31st, 2009 at 00:28 GMT
-2 points
Got them all with 1 second to spare!
Victor2K
:
Apr 2nd, 2009 at 02:08 GMT
-2 points
finished with 00:24 left Just good game to spend time
Mae:
Apr 27th, 2009 at 03:42 GMT
0 points
got them all, too...
emabears23
:
Apr 30th, 2009 at 21:50 GMT
-2 points
Needs more time, that was my only problem
bleech128
:
May 5th, 2009 at 00:54 GMT
0 points
easy, just type faster, can't end in 5 or even #s is the only thing you gotta remember
krozza
:
May 5th, 2009 at 15:07 GMT
4 points
got 'em all with a second to spare, i panicked and couldn't hit the '9' in 139, kept hitting 98 or 09 lol
katie:
May 21st, 2009 at 12:43 GMT
1 point
doesnt need more time. i've never even learnt the prime numbers and i got them all in the time limit. just use your brain - you can easily guess most numbers ending in 1 or 7. it's actually quite easy.
lavraiemusicienne:
Jun 1st, 2009 at 15:18 GMT
1 point
I thought the time was too long - I only knew the ones for definite until the 40s and just guessed after that, still got them all. I'd love to see a longer one though.
Erika
:
Jun 3rd, 2009 at 15:57 GMT
0 points
Got them all with two seconds to spare which is good for me cuz I hate math.
mango
:
Jun 7th, 2009 at 01:20 GMT
-3 points
pretty easy. hey what time do you guys get to bed? i'm in bed at 8:00... and home by 11:00!
tere
:
Jun 11th, 2009 at 00:21 GMT
0 points
Yay I did it!
White
:
Jun 17th, 2009 at 19:06 GMT
-2 points
Did it in 31 seconds o/
jimmyking211
:
Jul 16th, 2009 at 00:34 GMT
1 point
i need more time
andrea
:
Jul 31st, 2009 at 17:56 GMT
5 points
Either give less time, or penalize wrong answers -- as it is it's too easy to get by guessing all the odd numbers not divisible by 5 or 3 (either of which can be recognized at a glance).
Mxlexrd
:
Aug 24th, 2009 at 15:18 GMT
2 points
Curses - i needed 0.1 seconds more and i would have got all of them.
fasttrack
:
Oct 7th, 2009 at 20:53 GMT
1 point
26/30 just guessing random numbers could have done it better if i didn't type in every single number
edderson
:
Nov 20th, 2009 at 23:22 GMT
1 point
Definitely could have been more challenging.
WyvernSabres
:
Apr 1st, 2010 at 22:40 GMT
1 point
18 seconds suffice to type 30 answers: it must be easy.
staircase
:
Apr 11th, 2010 at 02:26 GMT
3 points
the curious case of the dog in the night time helps a little
cheesemonster
:
May 26th, 2010 at 21:52 GMT
1 point
got 19. ran out of time.
MarkG_VA
:
Jul 5th, 2010 at 20:56 GMT
2 points
This quiz would be much better if you were only allowed a certain number of attempts (like the digits of pi quiz). With that, I think it would be a great quiz to help clear the cobwebs off of your mental math skills.
SeriuosUsurious
:
Jul 8th, 2010 at 16:34 GMT
1 point
Searched "prime numbers" and was very stoked to see you put a picture of a spiral next to the quiz name. Too bad it doesn't show up (at least on my computer) on the quiz page itself.
jhc1415
:
Jul 9th, 2010 at 22:41 GMT
1 point
1 IS ALSO A PRIME NUMBER!!!
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