Factor Info

ID 173537
Size 1119 digits / 3715 bits
Status composite
Value 161089000568790982734834901958324686886328064468686244970408046067199682596905198950125790250977822559595323425709417554928105236076272432467879194287164319710473023240124420976141859388587750911962013503742182069147183879286135564290575058565788966173265134934515360600260271744404389805694850560740137784792141930212699706850468224339097521499324984574368443832694542362917663562245174837739117350803823098286393045807790472003127195597705212249654248958644140941192443498397183627737446430474677137601845758407076694813434081818565415473259336048278196338290108024271585057089395447651654680784054343351811288064155095560492307663719009209841209888584202628461551652047078813757044433807003719465383198952470548520753479543235373006377034137251997979416677970750120401634519440293294648521980962867758012499625134961404994100609036267892774980248836861089538923624666831618924386731732911898218691072058460458173284680140607984400297486540618524364632458057446880920844242405525262961484793713283241972962545206604826392018784401844768156100542569367719275913697025995477642533235301916091437498281015537033808660539

Factorizations

Primary (ID: 171569) 143662205232396342819757270582383577630480728819360361 (proven prime)
(ID: 173538) 1121303966538756952268276168537834558806244967681540131829643626224156980866924861556449165058163802131465834737642820193195503263637617892438199554621447089506349201474879690829502363852888183800425863187517940191444031249428592777222138751763084448580851041742343360500471830345597547074644530828281341034989313030814179041853985047918840722568724332694658960569735502588898289018723802336304268797282520838956031266510024484532278547719188322668058298611640518486502726241673070336611512229043530487372295222342881020750890225274564315427100881172456030083321811438562961017523099564677847114318248335479114572253890986139148721809371321302055075322052625295148824709600257555872136419200479212613629420685410555563222142164178897367338677092616335298021294923044973764862832900175484814160995589245699783704527417196427275179806539866390391599667214888253019616593248885678404799309080403670743427433610455743793943710877256264717146592219553887422325762679473189074897401984928905998177474404846312781143845491974009126519675632505835794621393599987804698736899 (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.