Factor Info

ID 129442
Size 837 digits / 2780 bits
Status composite
Value 388599471775499242471389916615754868567936573596274291172521518458040846844292452170880105058151988456553661142151238893536516259397472827787820296959095811723367624224235187586067928479637549603802570316329278445934051501476764594662645812954989669100289375610760279589400146381306232415396823072364138270340213900939706542676289731706524173277753448834360983163529189285073202461913904909368966144399130900919283527804712735398548254549281966600120765215886409100548326863232401319325204653796939048059493483412184953480674677779031188939634421651494265031738520115330242008883518245072788304513042929461747928501103129165575445362061099305805985692896355009628192253613904471785792612859087872416751746786881759945572665163893026405109207400735893738992144755605381695921077549048720835374025151754850732856238997748279265606394619499

Factorizations

Primary (ID: 47847) 24871247831453351791966586313301533320950657301 (proven prime)
(ID: 129443) 15624446123851415367397152364648015414952020891561476000890210445003090596826531447565941667807330824770785170897297859602217727579887185120933021723267439437769604239736626467059674546096016292718454885753606447601416815990175297356862371938892986539961448603581525870439371006143821660407850143152533285348186579136204307170707782615156324026118279762326906090453563168504810145217098659241085706775211255813342120747070048031000315739328720878205614444360625609506914981090607513217822272955606473468892554313064391788249154981960034495414815574849982179052225200219059689547303625739223050753223571438894523342244228862935519540724024939875388948512268212182746409120616858135978173974419988524590917990313918747350434381765699496970247407909973444492239112901392631398608928123976636799 (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.