Factor Info

ID 162438
Size 772 digits / 2562 bits
Status composite
Value 1555905196580580661434456301856536235689985148042895128499839474330292383254132431981648709544990769163774819743111248396617397891821955000793558975261868713116648792121235669299128297677883644942766030582923693811983275784941513893548429238131702841445873383814765263646588722070051653008936736517430572564352812725210849780983718622773811516789836455435723631371831214479537798741323988741333986925335864587669123792194936133562299624649888601963728091486614532079293095415127570921409251244764975906724699453897631488833716219376214102543282024602943347269387218010023202785781796452915890813491877796030660105733390827027673764163907088180818840890122707049041257334622245688186870104301291819429635202618060038531492554843455434159665112712525306343882708194273374169

Factorizations

Primary (ID: 193913) 4916659457177267128721445202330020993611749 (proven prime)
(ID: 194709) 316455758250511564320046484720203349365494528908077467147991836195387047858497950269356977576205045847885840846070094423526680376909008653028281933357677526705539457677376818825096196586385811640895318684907539923090767680023646544269380815306922807846304581051349821414385303047746525710434921253184650339731606116203475333680081176155817182528567071720671154042291888226917741438158016022620181896987115014040175045817697601130664595638465001401122710167455530766473414770306624169036546185839788134892594962085388385380222520662824261554047005653614097018543413942294008597109248357991433035557901557663391117476614331901771111926999944703542835225688145746948923948451390378261224751008951540068106779223361708517351326052581 (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.