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1. |
pretorik |
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161 |
2. |
markr |
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116 |
3. |
Gordon Weir |
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104 |
4. |
mbloomfi |
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97 |
5. |
Dennis Nazarov |
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96 |
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zzz123 |
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72 |
7. |
Srikanta |
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56 |
8. |
lidSpelunker |
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53 |
9. |
SAMIH FAHMY |
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48 |
10. |
jkr |
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44 |
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1. |
denisR, mishik |
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236 |
2. |
alan, De_Bill |
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231 |
3. |
dddfff |
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228 |
4. |
kavfy |
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221 |
5. |
idler_ |
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106 |
6. |
akajobe |
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94 |
7. |
tolstyi |
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56 |
8. |
STARuK |
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42 |
9. |
vale |
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31 |
10. |
xandr |
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11 |
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The set of numbers 1,3,8,120 has a remarkable property: the product of
any two numbers is a perfect square minus one. Find a fifth number
that could be added to the set preserving its property. |
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Please do not post comments containing clues, hints, or anything that might be considered as a hint to others. All such comments will be deleted. If you have a question, you can contact a moderator by clicking the button "Submit your solution".
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idler_ |
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Rating: 106
Group: Moderators
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dddfff |
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Rating: 228
Group: Moderators
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alan |
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Rating: 231
Group: Moderators
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zzz123 |
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Rating: 72
Group: Members
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