Factor Info

ID 181872
Size 644 digits / 2138 bits
Status composite
Value 21756645229092010698209761220461736764965632705272597011766466622630153838963837424761461101425415193223393211890378247605408103027325491934017626112879578975605725942924834349824609085848400630828249347466111429075989424155609403099681350096899701307575028163964160548401238016918771286594958855246981688801168012848264091037369568007184717647597963139423515515601995209401405273258508976104105623603775384663380418323965981727081802216875672601791128298545001289560458494234452390609968540017479143985285242762122723512719999609410014214369337478669200861773934758367680197784908729221244380844979864552711210004456674570289583309113347905571

Factorizations

Primary (ID: 11593) 1437896611363489877849724341543860557234393332468973900031646987070297660131 (proven prime)
(ID: 181873) 15130882886260650576166072384661912468515949620975478404990066967895246260214929690328995858670255867479117050973082456204384933601394378270031394255533383241366615936593336913974662335577662914339542089447197254290254448394093604005617155345752728060066469591937173861337476745785118202630684726054295533569911595903563552837489801908675316777010415616159805107088935039517626588830768421783036348833245248015256763072132984709544852706948407869311391934218466864110401303983141137172035901097533298971483951103228006815987392907230631607400861851875084919797874594241 (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.