Factor Info

ID 157916
Size 951 digits / 3157 bits
Status composite
Value 197009606733236647055783509428231611731383380239051462915203192180727805796530596430177465428376031897409874412838689940220951102911859992288565107339658094216516978897881301234837290698204676056695773884608080278680037920549801483967672353519323730677544609307109931919800131915505275372922485980046011695068482584857246023504799855948933858620775354549604921286832365017603369977137155193961663406550739415322551877423599600427552310495423023184490159240807362007620465925909327670146139139305966414001114032122123811489385018432562131656678750830687369502726711326265931513966562613734354879069445074421866748649185859751879224451058032719627049074739320803460611055246125501532040712218601867974543591320096803095458637790434334018734165678587197598850582510400710060511925417382415844706751687021958548048030249751998121370545645839192477916278206184536352036118306204944276065759110349985172874567961402744094349546593795808014503457526443677751

Factorizations

Primary (ID: 10780) 19963778429046466946251 (proven prime)
(ID: 157917) 9868352698535056198772379701480005400615506170169680581745789259159383239780779689785058458159464535313977143614456144637447361511807883021629089847551621503127670678154047345395163514931038696977922518972874044055905548270181250608442582576274157272463146957785245919778506410077834993674500285983337877151231665527421853190328650042048412696608680742781636877321281150780451918481136560402371043588240348382559096723164584271407909820348805667601298953575903177894705529778213423436330726680213634142403092562354914949317477958151431856850851799206591557290490503065500833032071117252202894858369770964919792851517614453029136122781469039278165794367140121581835576314690260716552976285898680972556322880140758750860254583035061627462029525287487195010066087604709638716419532811962684283126176248825609601741634183750220950668537399477485899241038031847799181973128464345314686084971397303178392785527455826436565741451106501 (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.