Factor Info

ID 141866
Size 696 digits / 2312 bits
Status composite
Value 641720417548176941163115777085402966134279944799947164331208571971370781981183296775853028558606703641610637793023873152780729964452983290781867400583619858875027664991410391658612481240693548342936485391517573981134698214443273877547201771558877748651557136056524310579777201742565534253528821160756859599754808596591022256930564541577093810530924195243230597946849943676406870203530692898202992043001086398586444152387542255618019662742603719695858596489740020119726306065322833500774550045427927071171940824420256211795126296393882785380552619330284631631466350791717841981111702616389247645439323691913398905190713532632776392137947402302143481729527700635271702621389382616181638952469065217

Factorizations

Primary (ID: 141867) 2694943210905085766683 (proven prime)
(ID: 141868) 238120200437417654150680966526843638511698437807721105441592560132547912361057652645049269999866892274687910878329564317949482992406476535042154939766000389853276914701508816371715892327844343561931314356001629895216633755459920790172176513473707743689114875002129532494606846489729160205832840874906194675601492505260692650598604681961529071726799124293378825529404813970668948081550408087980384169720532357811747628429835064745759665078786906516953078059578737589440980614273638915057268785577494465839051915641713413265100407000069794117820801755094062869603582072737362374521091566581333674911098316420493923360886058075467271227027987595387937479119419235247199423969299 (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.