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Search for : lcm(n!,1/2+1/3+1/4+...+1/n)/n!


Rank
Probable prime
Digits (> 10000)
Who?
When?
206216lcm(42760!,1/2+1/3+1/4+...+1/42760)/42760!18613Arkadiusz Wesolowski03/2011
209872lcm(40711!,1/2+1/3+1/4+...+1/40711)/40711!17658Arkadiusz Wesolowski03/2011
213996lcm(38398!,1/2+1/3+1/4+...+1/38398)/38398!16679Arkadiusz Wesolowski03/2011
219029lcm(36827!,1/2+1/3+1/4+...+1/36827)/36827!16006Arkadiusz Wesolowski03/2011
219114lcm(36808!,1/2+1/3+1/4+...+1/36808)/36808!15997Arkadiusz Wesolowski03/2011
244299lcm(31288!,1/2+1/3+1/4+...+1/31288)/31288!13588Arkadiusz Wesolowski03/2011
245250lcm(31048!,1/2+1/3+1/4+...+1/31048)/31048!13458Arkadiusz Wesolowski03/2011
245734lcm(30884!,1/2+1/3+1/4+...+1/30884)/30884!13399Arkadiusz Wesolowski03/2011
252038lcm(29074!,1/2+1/3+1/4+...+1/29074)/29074!12633Arkadiusz Wesolowski03/2011
253710lcm(28635!,1/2+1/3+1/4+...+1/28635)/28635!12443Arkadiusz Wesolowski03/2011
281035lcm(23737!,1/2+1/3+1/4+...+1/23737)/23737!10310Arkadiusz Wesolowski03/2011

Total : 11 PRP(s)



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Created by  Henri Lifchitz & Renaud Lifchitz : October, 26 2000, last modification: September, 02 2025 19:01 (Time in France)