Factor Info

ID 147572
Size 319 digits / 1057 bits
Status composite
Value 1278976709131010922709878814595022017393619756498008034215048129189415694363027845563230450143081415300438577342679548581147586475303955365647278061099829621184725052903521756037678550125478233754739909066530510447750538637962598765951264155081767104889248746225657701755275369774416933621531173335423260603511969866521

Factorizations

Primary (ID: 147134) 18876519380766175812534662561 (proven prime)
(ID: 183085) 67754901384743459844778707330847447405607850714590200860961217235417960712487407995138053093911814328356290105825275783816342040228129709101023174279054645618281074607948953678900261914613539298793495065892039229244583208490291849331615209544743877493568251741611599800659025181159493962361 (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.