Factor Info

ID 142507
Size 1119 digits / 3716 bits
Status composite
Value 317228758371211167731999113724858709894742348063108997618517569994239768253182744316394021275847727602671170627360147878144179715040623745935616438749219651160779839831975433600680393549903155002093106541535776238103490610239917765187293718770222263643246257825727199590160631553529283807997803898146064506378231199898977600942907680389125910133594521064486802909187266256551280947980648106201448843030213888386938404462879044491704662201846596731484103480857944280968827798873940588462669375943371810245341762450858706304808581276018798494659800355404636392612453179003724977723902632047002162260064917387996658216258298454855024612618972150573453901565313594512370760273463181912031683466759453447521065963122922705314168004144623941350261368204396261961925680203546503531612052612303285385009522890774312527344121793760657092927595713051371281789377214975225111395615089111374716293827417943434479196184884789399152056193841803593164125420350797705257615110404128571651872078374341040771895738459261137830465740304401448493936903249390383696200303123467630341688912169500629563084028687203468565706607500627174749443

Factorizations

Primary (ID: 28756) 126388159761055343234292253502483 (proven prime)
(ID: 178114) 2509956304221469917285943370310595928671384169189691828696243257938062839920122993707721033411647910361484601981006596790063030703757136734934354901025001178351172609641070882144848422435796999476196945934147141947958084112441232782293427761661355745466212872025324340370016330354687762002914903771771015508942979284989350292889664534904355915022002737173516910598646066456646727517408611178184340553591880814376249447503481693013556662656797025210151297406062131419634940114768087585283258806942999305996769372992214794281203093477651804976784164472073974159964576620540401612351332874167336830199714489575360831728047214824146068902069369801318858730969327257043784875774064155810909078662343959605241922856788881442742317250320849474314084205206253715064510504254197644516623690865452756386945655508146753970272799459250792931205322728067365321644470832136525549365977782305200370500597255333720075202917600230665194430384905429561464640209040018706248300336822679406511151804706253003655495150822324346759965304749662276905098552631041996608631090021736262650792551170323094544503121 (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.