Factor Info

ID 191690
Size 741 digits / 2461 bits
Status composite
Value 661990972939837273636859460317772121687578064334537472822544067744569151617666678451105846642194101416657685399211938711948930149331737588700582656752074975473592563480533563910690442310729374949441524003486227919226550080490034241590712195357205448652543143342711933422040576290978578257306573519758441503381410668626619144362194642672890806366618096056676414019606665508267380547525912962701885823284566012669818491319013443357051384500812921631675509250748197185524961489168864960113144615437882054460838522659667892752617906676544072574897341791022847294611477184927583541069934642776098137265374113921681193117668055218632144209561851769259887779498467159148103801884092812465233080877495554829009385290101123552159355719358472901234417

Factorizations

Primary (ID: 2937) 2679895157783862814690027494144991 (proven prime)
(ID: 191691) 247021220594043755859455861677018957897775730867152378802931279173349199727868645113027586730990608023929180613675681805561641807739592672220062087190640248250159364103466326752514545822313510364720008837377677352629725894560037060926090313789870271552180231670922491404891125807427086460351579191313022298667689787332642361255297461808520146766305460448909090066247684116729337776336892885701901346444244925697841363815461413316502676468376940445804851400106187753058236472423664794313681172097009929225594547115909832231960449323699899497767764218581558095392500051432867060949416197477845176311812314610938497743606402281522061541921725406853354237268362162912845036120366268765582099107787570379112042287 (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.