Factor Info

ID 51689
Size 407 digits / 1351 bits
Status composite
Value 25041474338153800297141443976698163513221048142000772715548582941332635045004294946453435727272893309664582056976613093462398773323949147865920734064662325425445310000934242936094007717829048898173059700884167229673924136451658293668986883485164541791726816161473316342010473868813118831978863402047974058842196162318289858913065801324726906747755890340870913964833297913217929684219351374771629476712371501

Factorizations

Primary (ID: 50246) 399806412551699044818733915681 (proven prime)
(ID: 74906) 62633998735364661989620546471569491236427524967404002800356142793109473952883062538178755387308379062190740048957249695514417365215741750230942383432753311517830599760645887310796802512152840085876867564374303081559944018081302436687723615705341633863340599342215293029758090331183625583835174774418801488703601244428853830316071273680203718966500610043576972885451253605326221 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.