Factor Info

ID 37509
Size 466 digits / 1546 bits
Status composite
Value 1283847578579984602634829976582979399040488067519511522706781927547581493927686002419497814198558952349833551573660091520284001918143179997239533053846321127340762217842299954300272778544572737148491158484670998632288489985274821098033232732382475587468776021507492704786522884793179269336735170856078361497699215560193662462477003481548675743097804637804255226202744245579507137231939191882445196242351736353540476621415137329512024417737211792001639331236220270713

Factorizations

Primary (ID: 11820) 513528685176963382145712840980797011446570599369548395104801 (proven prime)
(ID: 37510) 2500050368437679842366473946171942981996165849579211270310365994083773356947823834897037602704354550510882401401363296207816539197540306382376463582162799867808208031744547621162075876725086873070601197135683532410764533541473430004832486584677756824410453880676322583703232155297088124375232230584197878933635490084580333185274516407824657952405335227043644484935222560748462082761828762807719316626068313 (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.