Factor Info

ID 142809
Size 924 digits / 3068 bits
Status composite
Value 256556780645884711667542512921212178087906134026269949348757229757935837029083830937369511223952470387645375222606556833467541365235115171834912259582705166530704219825757444052448265453616342091349657261556201372098456659316561217136356691026760339801168933635327329202231798590171534666839975674236633179702962589152885434148249020504327706044079247222175669903428181088717144347157191527905712641107079012297558179408347339676494000025129420862416211727253842372117458317648801718229028862738851223328381929210158226813816079721928599019828974739879585245719823360308346797770505412824579339032971517650986538731534399240805185261060170778863250879947964791614147678818364493632212875117689210611863340416200519102445182595783776740143174036841472949847425264449600630545327728390424230601024362252484230042268097828387491970761456441145254883509499572904169648763742774622626306945808674582038929927692816538010374488633

Factorizations

Primary (ID: 6743) 13148832195720299503896018648521 (proven prime)
(ID: 178576) 19511754110710240519687218059391954791190373898353826440962201851046957892954468542443284300431212675398298344521911368869452507724145017886354963437652635088498268646327180373107477530748517029961798419369593408285870171152031785164891421352280463427533816771329474053300875352516888637600011955823620231563760352868830704841952850079495414934402145644198284461461971798206244401752618694466668096805293937034237564076870178443129864859242985357428161706765913328428339991375101299562819244117799264507820223062506617122698670729377083034087496296592367785736862819893305974219473829292122050268318977103298526146029145207336277648505255766968177558761856533916924122117031979628018036469277059953077701743358793044453833827681512365420093778669195641550854039205456720044753369776499072711025611660783108228372378300366878965313871037088494948848744094190144993693792396902865445992935954673 (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.