Factor Info

ID 187464
Size 549 digits / 1823 bits
Status composite
Value 423278644555543989979330250203214608207228017470429276243801721933252702486750120862690631482040621447651042297608952139613768796666242189995867515501414257774557607184319551546872508245950672453623878297889997390442748902536848630894707697975580570681492616951966607847265562703425885800183328528944308157214341483722342018311053231292534828804832560501046159822782647663882839246176975550186567935047549939489770332751842696702286983257241366521452030448377356400871190174697028381132321822451946791593712645584654575638219765756435035229189344753

Factorizations

Primary (ID: 152137) 185302018885184100000000000000000000000000000001 (proven prime)
(ID: 187465) 2284263534213373916326403159388971799143301642392803176917334064760240068261028481923873424808021530656657483556994767756331332093993705258865084726767518143974618678573403132699243820601699414341939900509438680939418185274655583914438278952564433000386232267342937196796705823710849599713327635595182210969888490548088718539653381383589759293501026524691251100890552878427995369531770130390798966547111577352946843005105393692231692437708124355261302836946837226810627275638219765756435035229189344753 (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.