Factor Info

ID 137505
Size 668 digits / 2219 bits
Status composite
Value 63213784680466950552752810292659897776763077471042631018396591766296168676337400435824518863154837244253650661711900992700407229548066843256522293950260291231374022385719655401211609423434226606328360775819749830067838178237027274204952164637714147053236657660061971143264072608062463939461811820061640230283659687845703345624988906380819551074904672219785521665517438149703912162624626693365463726232463709546869929817612573472322533507755427834000834502619499798058889637646508946449864971765146303505863205863512800444956500635138666193803307523234354649769423914096889424041520568683543845312784237599219860592319950426985004165844390443284457549429256801468833749

Factorizations

Primary (ID: 136405) 317018172698691402707105521066838685448001 (proven prime)
(ID: 172402) 199401138875872040326367865935094826536368701332666982476138464120038729563869172223499056493535744123875709595025165437844866022905742110449276531044360739917711602104346316854188685963323571737368626241123567759549170806233336143075794820458869535371418135352657433726778429008188273681744384432666116973487321916845598193106337966083327943233068890109920072436538721093440542519595912269534259907384545567078162189610385368544694769099091756000833203345697928774172432965345586995455023710861839018288640420599302002248537592725926734455751498268825445770808328517940318622370175058873162097821841556348033298143375180281749 (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.