Factor Info

ID 131018
Size 660 digits / 2192 bits
Status composite
Value 558676574354402034666470804485287505113884578859416565700933691130992492480210912487642277832539776922436461192989839506584221505735691147788908518656532742589520319057259709519813393104741505221388212623851885446797670548778933462841609359701263569310020183977742762210793048008111814774349246849102025231491022464606878414417901300024700915002683161604721836006430488523722498098495267549768363481014035407969497127233479452522648059991449662683268005745967095989629832878763891433049939941732968055451591217217455539928819312401379608952811826434798338329351922032415952323375214516783579201281057608390051147526049462318787092372911002180121233031104669161

Factorizations

Primary (ID: 327) 3077781500978983285852936834864554143272298231123433682435700521 (proven prime)
(ID: 131019) 181519245007060354266186394443266035191347199340300303414044535053803071800573516349436656749868016432110191019342781440156839101318850785849266495960459560947160177264769686640985041939866186771627366425279802223340816790269964296220174153999370501658516230484600102013404985713433425024010788896563668910915003402790754487242055592775096817223171534235329962886875660291174162449229496421546799468865598817999806078359305031226058629102892123516512509326733147407705791266824795705625991045457572351165779563242875712355060323847045526553873882181954421874605878938363896475780238917278598811841 (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.