Factor Info

ID 148257
Size 652 digits / 2164 bits
Status composite
Value 1386877573367094232059193306504787106531816008909420657892947563467504897199554483863790420877781325801606735170015644980945260846000081601644550719503714768518835266019917625247879081488588984270729063708372196000169796420230590454208733638938741476904315388787516777679375929498545121426582607406878432335391725495357399487018839019113798517160019584883367547638357234864213711815740941388766506683479572302799521533999834145175388496625678889243644994497730843592758102171288569852667041552473463731238649830071726355640701212133300074979625696832890438815230387591222220500746312120564005410978358199287240017367784546395346407997419174662576945841

Factorizations

Primary (ID: 148258) 3260819546463131426073217 (proven prime)
(ID: 148259) 425315646451941744520766360190876099715089532300343268884520117131646214963154000054063289294997887354483331191438629825543496408974981262208512986090241326361401459949253253326425198000600418196087987216392764483296884245607537288421918912403709513246406637314262524030145936153519980098212631695611568130651627218274459178053839870647823538117269839276634818036338646653670513510823325284466642982610706198667191677244150783353454978688781214460961228324211460185189364672670483566648777551489485136740900966342435640355117168341985093132914958080604440837928292852005690228900729861790899408500089782065877200025663284353073 (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.