Factor Info

ID 5279
Size 326 digits / 1081 bits
Status composite
Value 20471595040761578552378158893891657206937868378043972713542015078633175610287344037848158030178346467681534319347840450259221505958242723731213254799748524135739618998615543185737305223666954699561502055889353820882437589614359188833636319557095441104011714094638414760105406429286291333226678337698865726159675207124650994431

Factorizations

Primary (ID: 11630) 15573016748048048503912224242515798000782107281721099399054521 (proven prime)
(ID: 12740) 1314555514321111043256772142442048331677859384690900484974050147292647160146228706523085591770534486484024545086620332393209893100171280528362715678659489923432578221265571119613105405967004593150536685136041598095604969349848426844549472783169774592847938575630711 (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.