Factor Info

ID 153428
Size 764 digits / 2536 bits
Status composite
Value 20885088457343072178842020322919210893959378824853156135427936601558215906754490952774931201757306194632596714865893682537342261199335648274456417825253183985105128746758944958059987449630476755757012363189214329067267580440019553911731607812403810927833606773287205582779967607461117020567549176126567654472335858880172658644021709209466529327797221321271386772038485915527871193302761647856588535431023056268187975097872622801746494098671733169983313727083357077356740256071036564149030736216159774250208854088450981334594098495814955241858682896935981225982776767858146010019984766672594137864041423775732878871451539889579771827674550884415739455603740353165573986156484139272778688083162843003748808402929990028213704666364470355477804453967053882827040736233

Factorizations

Primary (ID: 186431) 452699321090468732041598170933 (proven prime)
(ID: 187520) 46134569866450796244378934518160753672486102777759920928757333727692987388152635234005291350018476536100893339463521568639280548337478524611506857459004152878944060483327752806121039948104331208481919252979975267945464093223741529367440841120359508545018513905361491916993600184829064574214593176727282284422275971591017767283494004168643171413456926276568145575017736856908483655746791586634517003108865699794897463046820212619835153501268826946216815952554997195055642665515312118949478513099633261998934625376330874447364955649698700995770558929668354335159876571195995301067799107247256396529401956883987710765156659093704455224995773103791490698770013515182750899988037053008325360526928886662184324224229227612342443563558784101 (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.