Factor Info

ID 197239
Size 522 digits / 1734 bits
Status composite
Value 656501014436956881952596972383364686488182124296008561340076452406601130114896839075410835419122401115822470352519058625654433777813787754264378733973464918712275160330277026406096997391033275191692458428943019992447029885797563367838505377825992063675188616362345065367221135454010973270087877261463311483115666705257937680763973742326087390737960056965815272749547512726356746033541798163206289474883963288428614553489386838369799417730475536884411395994187175803750825051605014281478893274703801694327158194972120180819

Factorizations

Primary (ID: 17534) 77508465259103921983909836828947866923094873640547927462814390440039432094549203369606766305138207109405812087797647 (proven prime)
(ID: 197240) 8470055654467318407842582479692094608289548530761912565159535453262670946022082798393935571791954403695439198116094359044316913713725693652006841535668305297416918685300954132729138037360783398660313281938302328480872738716454677521308870891631943647980384765702781393499559177288173600826129863815869760465953922057921569270733179525010735611620373952427192991922291650877830717749289304337794794644046077 (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.