Factor Info

ID 105218
Size 671 digits / 2228 bits
Status composite
Value 28769148678544135022322658962742289172849613774473960401256843466281776015914751151698474496532537002839323613805840181545870206254291688626063719181290887353302716286859500379654997305529699452163928887348137772747741791944484917068408859233474073773918526596685819460148137438513084014045519777666852080102729673911829471176621972805101339355823025824459413673923501332481949842089539142992189098740814980480420733185255218799988200234908856664927440152964370984200454113075161863737093161999269549251111022675414720551782334587661274125610442113242210202798512784918927687161832947279656309899516951641693612416773725810892871887049634495067203227344091824837505976597

Factorizations

Primary (ID: 9304) 1272978791049666311493991681 (proven prime)
(ID: 105219) 22599864884490195008478695554589453000796190370085798554350897020784172844290806001481219705314428741946928973589133405962301585464810897436234315674711558953605800691253989567448206750884148104319842300753712622743633838448169290887951497652320296324784152602641182571922092248863695871356483826019531459082278250562043637922035292089647241651067857547388219116564208656324489449021579617604468679127173646286902389093993795540334793120739521985588087262590899753273547524278656736788401332835630655557092594911322915546783364130527406036178708951759546218583049364974425433108120520731362096810580454911291844004873644566015057857136888252437 (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.