Factor Info

ID 143006
Size 1321 digits / 4386 bits
Status composite
Value 1556927432962965801781781434684805332910246988053837195874034588935761271054130846142321027411121865213089990607716286325019572651275035876143263508587677366863476546317500288698081332162117835229845840372304025220700824693429301396458821024192075753955751204960609915700063921488286240884298631798778260836139628119075648661354767156059123791466674715446784968153349679646162146370544153464253055601951115770643070019718770698945161451106096429888604364271458871718461830711555214075334416381329372555009488698774646413795567793613943627536096278281458716435907917561121027851879324059926405974552509168662412229534203939526831402872311449019502324088023045730663594037880520220398421747995461869380549352796199933038587065864177200158455263095127756754361833086529748817823117790120489567594851936953872382613459385179030092718328928533945491178037492057063176449994198146742631616157092714512490573982440433903270027127309443166924713351533517378029266982450861967826293830765663779469285208201066609660687607579729250675775378475573609331180157960906225282768595770507840820543220286467820872827925384406840508767083027424441238106081550111167873998638214888304327106041460888900358453592551387900071614160974650463843547849912176969700350299018229563444109782578833926600082603552244050633756668883302774833910438849

Factorizations

Primary (ID: 178913) 3973895114926133369218706506681839513863550793103974436574087478026030943605848581300971732883138583061070145724217302498490085858550954661431784561381692826433388075105986314090283602390859909776165062026838306028789756707508364122360682611038486701364124746381424749724223518461817715645720278769265077633380862100637792516305640581798000169864793846085638415628255070641296102608907367002214978085973325751671636381502730778550996842126083398105809439354907168226613659239188887635478281059503225175435432707318598106487000940966592033168498844988541305286672224948197775215598765348383954838138373258172805688405874164763059410050158126470734524949 (proven prime)
(ID: 21742) 391788758368351127792772114676194840257711677159541769345635378610121922799769931235068169902882271848734633851594512832542823523659264563784448564822209190259368362206203263482695230433611881716973493429928744986354383659297452330535740407986490188733988838095947309351302394751419214307705007196334384751545575769142616083282312714563167681598875312668251584859772296439437091558684804687381782748221442034018844612558062261874306894455980021355041259749123465456738278708019019124347006179950387543763992804765678301746211942986934449249465409646616768967343729473969110695188989212426981262597038915472525109467329929428914026399156729544919626318476951328050031101 (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.