Factor Info

ID 164517
Size 708 digits / 2351 bits
Status composite
Value 475637728908433173046950326561104487593158909897591854066526668172148057737945854638134514715835806193638087103718677016227219820863232999105210077448916400827264029078077574250072367844273142188822412863902647505682442411715000701796560909323991848677604815667320561562918968493709157985310859642079876758093003265688523980427670115683400185139781115828623183023518010340323461577621803058709138921682886259654469641463834774880691332685629543330814272581694688712104660920767091685075899183957740754197100511393835094576667184779808602388158881516597720366801441347600772926088497333979022608993216052954888961200957171416726445352064073020141795681554522591629111738186963423052871428983813802787911311037

Factorizations

Primary (ID: 163738) 251544057584588161944812221 (proven prime)
(ID: 164518) 1890872451830780172075836646500746624028358393759758406071626509428107070120787045069716305876718398594915017049894607049773192123775341850947531672089057202108649688747251482835768343962659709452289120651107937203669070077884449133532344079842943861753654984128287467992501564362775921692281254545164634795390881784700696427321884506555926124118706715196284906258207100979389817300853823417376344739069654682505820815041765023844432824404399220155831695320631149528630214071916294503470679051847845619910313783656684048167629795999805008994104070945286835282450085940075846382706525552739174052989633469981009760886549912122606190547757453322374871969279441142514303033966075933697 (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.