Factor Info

ID 156769
Size 1005 digits / 3336 bits
Status composite
Value 128745764602233186549257018871685913791699534006464151283075276383296233209204627042817466013769534655725926883823974140704221988260723780640703122584049846468543614826687647799319505167945642743658485012454036475585609487374496820690387190932536041844542258126590325576467448631359162337319117923787292897298893381391190832960097050733659814320388662397415874373750076534704310501604588793758080201005573524530112210912156971799141978201765309337219763649039899054615030474358575828131376633305234557718652681777948990834100763315700357979002326469002721183793135398509682964955411370641286549995113337869254874158058619594537224925244571306131870287316885805512331457964396288953956318837180166786702982357430518724833092711377904143041216383672278084959752142633467633664656911049724168178898437293346745514948113784031155319510218674350336963764964156138774313069647193362385346424406940178643281728477159954725799395753073217330096942144589627181322096869229393684153288893551122180466774740854590929

Factorizations

Primary (ID: 154652) 17123370267331917425544180721 (proven prime)
(ID: 156770) 7518716385398453614085988977903114114887765232950217344953533274573285116020140827832655156605540598920749422875939392164142989384122138617090378434589346237696992914785058896621488153831210515958404921742931452781411864525195488031700184521166763769730393264525706657162491459725513601994304748015240471155772917900469005467888873653069864412670453413145113147357794067943776911305907445616284325326309731423224810104998287117736022369936038910683539893470557464351400594835683610948069634356586695190261686288323705495766858242757127553542043863378553294904815402322494460404227730279179082629480062970450419805469235353780589031597667661509647467934609104212451824812027389370841601011311197985939040772197231213991906203591842275781448272437440156432528608884491567237280376995203713810226981154528199091794281941241567081698681280706901064962433723377617644005949183556658851285233943114112684669894255968304157030791488204188572729949197745781188699920147554226614343649 (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.