Factor Info

ID 190790
Size 1188 digits / 3946 bits
Status composite
Value 643649552337846742122355139995962244466773257993388274073364746521551498156245568808840544310466510938571096598114350513067150544908682190399166547164342126212758063604041642937575895069761910322143558259234942468656994217788548368403029945646667173044063587538590068599560615598801587570373237924993199717343120852004287800649750894142779545017051906530282641997243592522400123791991162461300304784254930827581925156272866182353679084750400663277222652033935853325803611076007094439068136373778566206627704051407202904553232209717842949351974081261223856619259279823157187862111522083665953377230492489326671088862990053612849825390509499773185667277542954710447229722390115302693612255768521159733479854029892193156135042894705510489552805366154412837192267243286041020435731416799500962901016247685634530137976308975057128497036437170496352660258181938269509044519860399874806798244116136898073986872736680082265675736676579482246257495545876453448784395621702963706732995335770152222871837484246086380736930101221638192856883178374739686262432986310003736301930772280524904021999096163480832848086866954180135315948428416509227344460584325754768933232409767230368336554450764257282647

Factorizations

Primary (ID: 188845) 4715629387612348923989826887818357622351414398501577104569705380591857454726814801383419 (proven prime)
(ID: 190791) 136492819819274213623371258711420633022733481557851182920749978305620433529279565910247840792483532410289340032854813075083491410807068555233532780093793397828530099642663767996501981202952887516011847722061394693789101359023280314618046236028070511346699357122007111513833990830453516114890172566053490918003947719780205637287079938392771739606956716853858341932780622014367521476836567544027916117598792938072681472834949258059311012437019084498051441574062379575565536777773854606680844909626725678916307886331434451682365159215338763110509213541875490743043046833718045509587991442334714862375347966895662833461472311977332324041210748083238812995719064019893554526618955504544267004291063605169221995390301400107309478764726415331448358439914957522948330011634530070201419670008938601492156045907266811599239101628476023858868670828678571278062371536320329925243854613094457578992417635790303081335335326070237021253076538551717070071399153827143866908881050531199507750408629248974379352291533905393894064855440775050066522645809210759448382058428494781098611732974449126685781736863943064777813 (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.