Factor Info

ID 28013
Size 657 digits / 2182 bits
Status composite
Value 414913380176879212993603058308700674639228431335919482907166993728983224093502490480385684932656829887743253809607127095393578022801313561165743330540545397884123007858852094377561091672383297568103546800346213948170374503696138165776479293334866238216849551432998724236883747208991456747270995487998867721510451983569777128991038022090918343015218988047503050301392361133076485612239596957667093414791548489015179826141103767896624932352518442466183146588720083634434783822591098700281780030772865592250135562198262751617530839745126201829593078308308170718383113693843542065883720040406347971462032679153262383682806026300366478511566583635263600115976899

Factorizations

Primary (ID: 19985) 140346818465014013770407271092917 (proven prime)
(ID: 40495) 2956343326587839965232653899027405980349418986803827071940600275758276196812029793551572559948113884032938736230499181178264812086199597504663880329045493360903984746050020858823303749801525339655942850501985350715908370135419871519293688893231048217847506694023355011376601955383095348150614515469923321503091941484888128199461456307714347988596454966086085911581512201955291324635961303352219506240745573916334450616756043367261873009594728831623095150775416899749287190764886229807341652114861529989333757300345141572729653336371517418750207342445952953928613768801887920534692443689542651033591599546350185611972041079447 (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.