Factor Info

ID 28381
Size 733 digits / 2435 bits
Status composite
Value 6780431179726405677189377667403872651034454588357417838644285343143424384130692709288373883866931597840041739069561285210971308743922884866266704936024354270675012890164592272223610289518795916214364079147244071036819527277535881540551640921430833574872769097065790436310395073783248757815850620971319204858113955135878115933031898476221661799299016577293780038923014848853054677671781134419952528860557575199887394895264043972196696464754003939718066466192410492386012527368530791709507038467231607276872230922288002148264476253566927897673292909877603007475008169550143083833676419204650685420127091836717811923667704220291212308348159077833915295107934008228582181768864918959134534927616258924408351074392451532662165059099850557

Factorizations

Primary (ID: 2141) 11111111111111111111111 (proven prime)
(ID: 28382) 610238806175376510947050092454410292358210383453092149580909262986742725493258152928583516975278776387133042351430268456751289117376573940648570957133365650100157645824384638156625927633149876305674333382528297892076814198312054621628568451070758142284765504420431846849358404295536592521895049471461683803155474912723745050810902417609076799387419600980616294271065210592784727153403012749901655444721715798117364557128211174655683855473431636686372538795871678631107991188555729970641944541962730212218207202451339820645925044893048024188802821139433201152992623287724271877042407654651438930530208689381149587519398681913102919247209510991871507588906532835682315074273731771650464966636206040514468101344987 (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.