Factor Info

ID 156772
Size 948 digits / 3147 bits
Status composite
Value 171931667393944294267673606819580586802855820988696534105679591267888560098867032162065793144930681590659973505046247986226343564317468505763797542598810607414418259262692002377180727023214984105170997629174875790987597329525859843654829520691627543503579571489729752680237842965940073227120058068526933736946324027727362218081125198611944245889178786226342067079185180958834113173550161727049791057830660346769549815833111382876430858126612376179366406510396535646613616508534592545180719963110885941477818439685725619191493871521409186333116692849807294934781037167915305933392386700452694176262246129557374930656220221391917073148650714242092124745776818158493401801990959980211458106132292426893595310116835700980686703616063416585665203726982400326751997812907173874786742618723435714616818338206780888313476607338170520243258912882056363353213940986923195612279779209409448227884067634972975911678947336439974857834264848073047080874087815869

Factorizations

Primary (ID: 154592) 650141690025315305584300036801 (proven prime)
(ID: 190765) 264452610918167077717649835552914656838487802268241323639680238269019985610213682329442365911552899478143773587560321578314181352197020198768128511412532190523047678965246842483550803436994748590850469225885248285898303666074311481412827366053031569209703462767187344275500682893141448684109757966426775283286733769615865473499021558653941183392400645400408481078651956628941120554740759663334013988895957524990623649675460492054476846530931928053937416769330849623632618411430141695595024067432222042169936940464997343732499439823777230170214059995519136063131482701426484582024111861578614395055204136931192548361575133538895650808383813530864593250345699906189765292397117346523692076025867963001739705853059821754428319291658806917292920758707538243385804275783493549027042139664978653804680616338880189108185862068897720995640192654068961230066373399348788554556090105309578048130988957979570310643121090790396669 (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.