Factor Info

ID 199518
Size 1259 digits / 4180 bits
Status composite
Value 19181781110743105145068788215784100558163240013978488563701306443312896694821242133631315786613554333443880533669877611424999293724045670242852519497738071022360960259092906095632760237922489505210737904494977475165246535425704549780568628773134739591490068039134128767493795077365387831843679551568864892571938818649300088542866647835590603941542870067876457710817120453466457914496235284578744848756062959611164725761586382885917811497470126699208452669307243870419558113819471847834566464858591287234901503520046962367363047526703660969585724222248216872531213038739831259163276364346819976704366815420637291285050336812927497937957990808942387364951526414082855186820447571918441228650633295916034115931138806088891004646309361449821015667711816808448213840067969499686422386769976590842017321816568385856597692365214909487011022712374035973499609179010925896542626663578421115639318634382422518364765639109043592897253488732734708818780405393396786875931579044000015748559858202149120382823025888559983782259822245236286742236814101652149014055383648543193976347011551059337862408162712178075354141128240228034207921856894746838243177870821668899226932301049354858501697875536423787542647808888589439545807783257317489413268572728927706243892511729497947

Factorizations

Primary (ID: 30966) 13346683767756739751221171391453612510290695982921903538908296073270577730965354291094433347373531609778283156038003000968646967209671655512834647619164750607 (proven prime)
(ID: 199519) 1437194545440789037187015642365521790031691171503898664689345579989259706808693043686617136202610570009006313174378826494409310391626020661355968457799731979972169396352220564743268468664976203619688953095782638530427827924479044631764358854529987062284701358249497662188190562114165344006709368728404796368173875005169875041716153788951091310768727982343044332091330425620109753690547490281661189335580339116192323169398545839254278278767566538737002972814059243888531501597915404116466574346870162164253441257430910732937291250740573734858238085233795622100601729382870120445558354961917190598648387935582551570479177156115067407381473325953422984739360657918398706411653605629940813756864988754768046208435557788463348961861494527040093867544308566578569312238361859469811497375563312899479292305313817335924015832147464701641764443094038799198300532526731118507287670417874659082286161557380748081189377008701228967786700228727187152559180137761294262675055691448237343991679576257001356976939185677717345719969856511214817220443617597760237510533568735431865345365428035171502252293270067839653621 (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.