Factor Info

ID 153252
Size 560 digits / 1858 bits
Status composite
Value 19958794896840691011735228742304656991499139582692984824709088814947862262611454798594196958351038789089588922325136451070167058788037954802334494884608733719962839639324147986792284216340225162720413680313072340347458436299164382439964228137556603991665589889280724183443630984698067790815165230174466869703817006652207240861851468392099632914364755839677634926211153404232924072991877733578746105675697321240382823394357283796802600711866004947864000516832243913704295001784769850988100087503193397490122338358150939059940617142253997852499481006029087962597

Factorizations

Primary (ID: 152567) 741318131580736036747428989 (proven prime)
(ID: 187334) 26923386932789466589438584251986967987371191876317672405458469426824520815888649332383151780540617161558975655169537449727412824415070121856447836856519402140268779491634079849150598312482167621643299763821292539751410360784323571939059114612636347051079691651516483727548314269651189758987980564630665320591791444738741678150426904040076472002869965616410341808959224624110173142032217950404775858241472210475368179793923587814614602231233276549728311625125266535313554239750541565911645436672883433829578049598542321800276914977673 (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.