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Find the three least positive integers that cannot be written as a!/b! + c!/d! + e!/f! for positive integers a,b,c,d,e,f less than or equal to 5.
(No Solution Yet, 3 Comments) Submitted on 2024-11-26 by Danish Ahmed Khan   
Page 62 of 167   << prev next >>    
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Difficulty: 3 of 5495 and 6174 |
Posted on 2018-05-24 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 4 of 5Self-numbers and generators |
Posted on 2018-05-23 by Ady TZIDON (No Solution Yet, 8 Comments)
Difficulty: 4 of 5Will take some time ?? |
Posted on 2018-05-18 by Ady TZIDON (Solution Posted, 5 Comments)
Difficulty: 3 of 5From primes to palindromes |
Posted on 2018-05-16 by Ady TZIDON (No Solution Yet, 4 Comments)
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