Factor Info

ID 172807
Size 650 digits / 2157 bits
Status composite
Value 19312286559421864405898989579751994128407340942923230073702657242011221043709479199420705547433997886814765489733026822626680041693378886582673004548673284092255508027854937384217659771554215085160102802564442918618336709137133387301348815993273422877197592698806524775748940544300712624425744584674285337414013834422226937030509639864044646525773990662251611771400302147271471964394668710871265629690022107222593252299268290066387348194765567773313117532454327513417021930596218471667329305131514906467958787964014231517184772182471707817834837219016921973283979051197162288661554053994178429786891297172701137079300227490543123020419271932756455941

Factorizations

Primary (ID: 171841) 41584566440985413258813703363717895583778763616752960272733998548337904205301926603508661 (proven prime)
(ID: 172808) 464409953313540634821604110155097966939270755801984247103089643636022305986138265365951414837552477324830162638786999706550246584948534670536253846382189654580149723628736803245638092678830840505147298758503373548151794767929192678373648722175660917832402113366963335321095535384131989205966546229135338484780144881247880016090544550943525197287948511650972394059351115268633541205959979283443719533995103518716701886198426757177315788351458390710351730484129010818883513164173831579235725380123915224701435465836962792862812809554087471597031242454723631390481 (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.