Factor Info

ID 197937
Size 687 digits / 2282 bits
Status composite
Value 646262635926023024890131301048877707644545228780342438718314214872891761316585652184663496451005173538154576342321097875156255427639241395227860027606289767275523844623544645094264055378082299328159966645451509324335180268896093296346065298290620890802827526326804366034015660780566334226139957881750670608852312085861477037649099430093585651494860478050253890576234137387250158534069073571436412027289874819451347971053770951020879962772006707251385516220260752237641688754049188180151082602496918868009685267035229757139198117081081649980663409285012807083620857166884698242101524898289126538135309822799707265582509390903247663638631892340904426655545753447391701942784927738741195119

Factorizations

Primary (ID: 17464) 150229032135327752933222419558205115221308398344159056674278560696885280711039602252138197654667 (proven prime)
(ID: 197938) 4301849161511361162236150129911533016855888108414657878080367602896711590211228755266245491550991670224990543790848659036582309687418446537394171517314327577996036628225480498981691502636369115970119436636117875695554223874599560067705504276467326647239757211460708532496068555393094403598197411523543699691597856968503330826737221756704418104968187807500480434219165718867876211056158746808729753925839008178928609172124125125303152841930636800188105425886884127127451013955490293503554505114846013027721960204748506613284734812603856356694920518144626473806718608377940653081192693267437357 (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.