Factor Info

ID 128772
Size 498 digits / 1654 bits
Status composite
Value 428376879669505480640918440753471628590984902945618017182170717799604882934332524146936177467461968688889313148955741482993001636881338075476803277745245756481808530880455864083002154897494493363316325670528138208540692270022186381343503428356292676022704853644529097798736632350082502155882993150358716533463625293691764782735429248283820696449968243615034344362456338203083636837789566309395367318226238224119525725901810688135792101413872456861502397243304709404661081879134357957659903246040689

Factorizations

Primary (ID: 9784) 65681302014984838931368740317052761650259332806397127 (proven prime)
(ID: 128774) 6522052190313973664332702227528607653062810013881317152258932010358849067128741508902824613106676829036094564975702244823192849348418275012934627857894755100112664045828183773561725186735608755903303423133745856775388570006189872243443464302856566576505690276431701268644548553132312250965303014605572187998012583346252649136591437372038550892657671880483805979301171161559381383243603291369222617038664938507407787684012264411210044790901830407 (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.