Factor Info

ID 144722
Size 761 digits / 2528 bits
Status composite
Value 72985427672504439957378631323020914122936267467468750536072115917405352714448884513814487382987327489415871648958222164877493134934576989759183902282676502280841845556566136276941844781316793729140757372805272756871451429970579156130028255539768817185196925284437118443404748789738338510101991600237955909900253851499043624386077759880022570056493103356617956875717371989000882223494075174397450392478328279975021622611819948347120744871818965815060115581675858066306119038830712022994801876883945443714834647938007584897667108610262349628525311410081025603841002171243667388857690462253333558671730542239997176139106796960369907539208180616328494736557516464917806215175759167778375353758619919149691147867041261995996017862395985905269591925544148156835700111

Factorizations

Primary (ID: 179151) 171986793278363253534202476134777621 (proven prime)
(ID: 180577) 424366466059846873091865525334586546642515153251532475321812200673522982412174521588875130003437010745534235282913191307814230383066423044797610568882789469360559129751689711097738755856059093531533941479677636445237236789707773563508178791159124454216853959202368160815869215741622662250440046378583787778392630355337339587097012141713816931302075078458224007963578882762640500197038397003368795120170330000608974442936038823761428352531320807428560192934344963685772342586253106220739050393991860321102356520966081950696157836797361760828495724891102368192909855653766334056275473576117986449892563586595224185385624159401518183388626820455758403855799220075551750561946488332042302213055800696904154667885027179621660284691 (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.