Factor Info

ID 87491
Size 654 digits / 2172 bits
Status composite
Value 390216137952541490894447997815880599221702768005920801448377670110370047045321912517916449009926155828269851432428980706591356051170688237434889117167708847685739531748606524466629533117649586346294329004514585955728372280813173451573511293123291537398801955450453379974341180633224025901707032230482150658376341747923113121038594053477125550467850144302170557227206187253713471139525801112353094916770847984439117559471195133762511970714788594754368240160380062812715620433576447257938065563508335636295049548894826713829178371761150423859589733573043095853053543583035490853090127732936177391641106200635990519395525579746901964122439481350404633887641

Factorizations

Primary (ID: 10811) 2092087318645654859663614111006024142702357805153449558384836836073 (proven prime)
(ID: 87492) 186520005391148756530614990328809514820895519968851462064714161521641102580022657513746311717462777449993640168802013331363220529654205570209021663934609146693095587273218027009453081514224638040994022284096725217051194179253206279776178780080127302112874710761596638903289617501285325467851533910082553981936535351561292545394683045387437263474928152387246336983188626554763869128199829483764813931714763369172731962162758741780797122307840365088506916652491827642944089998088522058278552469338835307418010687056680864892268240444549629750965468699573910044579890798551216393645353792817 (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.