Factor Info

ID 181906
Size 638 digits / 2117 bits
Status composite
Value 15957425787879884585938531863450963862862343787543592108267341925906713515770734189492619503260199026816586287253178168188599643821546497287176311162617210693331528645258968038138568612491546479959570524667016288327482618952758661434399844185420177108222929455448944576269580767858923487599791574982700678830999479115135600514589682591972490513370926073745514149161499465959554199770825447770994535985029096026803108719060290292994180075380519350154887551187001264199185963192704365262856278670435217152872593157910779188275343867016411761562342230714727138259782986946310094519877089563336547448021150604467267197688438844579013454318041

Factorizations

Primary (ID: 4365) 4430152977536859072181134657493233649089245714747389001639572141363110009421 (proven prime)
(ID: 181907) 3602003332343644353332037935837973568704896094652277762925603534519602301544636687577969187661754826766178434217945336738751964702745653250588869877206790400532405047914103362093177331645273376429877278642370781096973246141270059998289300671217927726787598435219183763212071589901746862240400440022189912160258033166357636659452554665350434294065302045097602610292201064765920473347040686277302455935744835938663226745963335118893815796551722075810910411669049361001042638905622652049202911583609209079583371677491146486824993308195355748542712822747294661516221 (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.