Factor Info

ID 164036
Size 296 digits / 981 bits
Status composite
Value 19971286686238892802261551494971376390064015719517338835428961309808646261092378417866644079839460000668688084745870270043177564871867977258418628712680991143686370386076109641497396655388983843782829570404027698361454609047299437836071436306560484310668966426813831882729715651144616447702805159

Factorizations

Primary (ID: 163535) 190753265393077226220781 (proven prime)
(ID: 164037) 104696958372297862432531014962539060623198443490130179828693659800109612961637969104457249047361301274133311732482309455837364420937017772965355049539339278059572169845857963282653629165903264517696877526925804010401001228193880677296319815747577066707725666365701587408739 (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.