If you have:
$N\equiv 2\mod 3 ,\: N\equiv 3 \mod 4 , \: N\equiv 4 \mod 5 $
What is N?
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Maybe you can look into this: https://en.wikipedia.org/wiki/Chinese_remainder_theorem – Matti P. Nov 23 '18 at 13:58
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3It helps to note that $N+1$ is divisible by $3,4,5$. – lulu Nov 23 '18 at 14:01
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1I'm for $N=433877219$. – Nov 23 '18 at 14:04
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@lulu you re the guy I am looking for :D – Papa Nov 23 '18 at 14:09
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1Perhaps $N=60a-1$? – Larry Nov 23 '18 at 14:16