Factor Info

ID 187977
Size 880 digits / 2922 bits
Status composite
Value 2221467474618824419137975333755567070932339071173651511157225893633672699202280162382687465838777704099877232151673729289336614710643537301771490018152872236776416790382129494445728596838908670712365646301112589925127873412321427583961769191790562539869351963879265478918877596204149974133939183019535398798836170816682462346612732768025643148686542024863665914228570530219878126444526751852660507746724078141880238451407111533701157549321542923359835640155511740093686972037953807789577035181818267641901399237902133783487033396767075343610026787669103841537859611901536749256272088534408827597414875683350303589512886790392698318767476204671754529494333139570445490397768572341400147640111199376408693085422169631187455365934113999823987193865187021975463254728639962887944813902358808487441025832606845915794710696856596819795090509545823076686183799661199198533493142627754151

Factorizations

Primary (ID: 186368) 129056897417834029959626715156785986843639 (proven prime)
(ID: 187978) 17213086003660938215387896625901191756822405259120952861850880810278170895278821065484532182773009976002181874584768135394606520795217697975691945317159826202130607369358052235243798019330932985354180939802595786084467372842853625221861936037372203467955030030792977441853765508119004030606052013343128172735875421480875540227486211842941014390607734614137088049138970828701145276506514162813383579417958634235012690840669984338820685473209887031634982833110018453094224876347880952671514762710024626492199718822838604971033562974264721973733630941484107550216398551819656392633389564278041177946556762726166612641971026763917623106927290110450358670960970101145349393621230482909485536948921555350513621636391419632666579514685129786030535867180710239024979597431074360999141691469525506092208077602134640159989028080124660820766499302609 (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.