Factor Info

ID 151709
Size 1170 digits / 3887 bits
Status composite
Value 642854133038840435890857241726909636109027764156540572287075825678807710403965162938041647899409885815326287850756896160360668746452969263318873727814046127572316165043675054431604536780541687243661861322658927754806013199878059214429093579861784753500194845791753209531689097460704629887896057797064080543336881850809621009169840840453016777454975557947748660636182405745907024872298127876282554328373361858121548028158762212771855491991673729681251495619807522164251179364377411319551795439425174556217392532949827344625361552694907296546211222644352426798409977029393209930614448111229316383695114912321203863855892406614523304287645759697759881018823181993794918771082511150319401236806199846357143591117266909126508799949407842113028591658708967591215266001927000370640886549080245393913546648388628803013204504948114318473307929540832391515256465389573348748374215918935275467111849999955509733868576757426538190636446487683746443413355348175538484421431370282156859216417429873931757808853962210205172203859718218130195266675738980950720492995580544685395676774273327362653882259129984440563916234370709348255033421479787696717782496518330153811535293140512596193

Factorizations

Primary (ID: 149959) 1667721246450941189582189 (proven prime)
(ID: 151710) 385468575403048368883138214570009357995422015819698404078835768309232576110395123114659457644847405346218863349284175993699684683703053217281315525533898191693426714419537132899901073635307860825992664737013864981722949834601485857416631942874966424071835488264378485694123540414875079220851184392807421465612203381750388462491408885815310914142328538816132626231587144514028150142596407621727975530590935687406705419208794973608842317303865311141075969748229576730321648511808553010511647447737925555664997210531233272721450259712987480171760937284083839885345833856053333073841344814693595158930763987128980733054009784792549417889755962403027336236947840500286336214516637239189017314642641702667610454020003082078349511965071378408173948386590944265553196113053964848063105821623435363219472518639764805651209419594476996352964021775128937724177773478269358453690546790587987346722524893252975527555245794455038572726668250905964196563400538376973187597940666163624444315967583416809629374687653245550374207843780961267708610852435298775284060497431147119446298611019401940885523445437586149591280377325253951958837630027955105716792311536837 (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.