Factor Info

ID 128960
Size 873 digits / 2898 bits
Status composite
Value 193011994120288581656093312808405902408265363548604523238717355281665220936109939118040348041284186373311231637886300872712384051000344318203832968719444177188995432479379946930477774025572365092315744063470764241894050206771418403101810104712229954554952662423599363287379274776606901665898720082445098305392922116128265581843726917203183453794377972396116201820704652204903779922762502097027176313476870863589305573295509089078005374437728226441904780507415234106003380769924757953393951491026917239528445500003143995570798987082672538316204707395039134552822461509943569051991704125319695816791097286897442004554807747931487772313129164747955807586732890455632726874501554567678418098341568873831137415624404053502632601583152575407973502854016758451345398315621119135459945176688935667173474678580661352013596319353357323106950560899802010272957986740904844524402949337

Factorizations

Primary (ID: 128961) 507262083908571059367676311782581 (proven prime)
(ID: 128962) 380497577569935371094043589630594118506002099005125667242358862434799045626824334328003403614224315637434008440499442331506252868795315361074864784254658078830994050129124033235180334980152299571682177597088257584779792859172552439615788464438052247095293088710906384138861257218386576506493165573156791865475688755928590950914361308005099800270370675148245568057828787502874413159713423393365158351115056457745750741564371769829624329541879552093763126790407812810070586174668811746323481657450183211607555508839048326851981111038154106980321066864344005208254725205915056994706201361561988480639002650393247467827833300237663495168637242067297460272715254245715333807058894890606161113435099859210274769001497749410444966239875811479081807309083917571596964810000248035391271954531612021502548759597472251653335716637155071793716344582677 (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.