Factor Info

ID 137242
Size 520 digits / 1726 bits
Status composite
Value 2253868383905701977717721150197741579608694544247637771857781696697829112804971908069295783623362818099106879578236379225729519657475542795232707430573750683394849910462108986462650629572049738186598690063668255528918372602131765380787235472190161700377170800454005363597887352697902439535313232027367382417705052684158207109157854836722818368852321765615399207243472440678536205398443644805622826623755788556965591948943970274768140190242794476841361528744873653685334193426948462705115143480528501080732458321846229959

Factorizations

Primary (ID: 136400) 356760584484267703279 (proven prime)
(ID: 137243) 6317593596175679084121038557141413354950720383476203771224991475675194383338582404209877003982490567661557129995316854011121886546832785975785895379134580128108456771600735565178095305047043863488276668040855399415566120355407203265228700091277879583522977959819148001713472370875861156957958842017281044797779448336355573025195249738461995503030418218890549556636301827020617801519625045473217775109356477841619401993416647600764175165990370853032228594842451146716563710288573506586111287251690921 (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.