Factor Info

ID 137877
Size 664 digits / 2203 bits
Status composite
Value 1187832970287720128932986543495980994521993223772676441089284427170325597905441420816249373812507069659442674508275430248300091359629039115640014012937126163304250037120611202835541719083559892074458916910649921886205436734960200716435859130380842759261773362642555744896011424171517958109071763622948076638907221283090259054971133087018154212981082506153126535699788305030666044030666122175964046198867106140662613756846821217705862485931099348433051020256304179760689931498783445603287583351029420216056427541948485494462729269324267863909940534676498575424488086627597750166319309155261029871982523742578465830595414243061739484451803861346057587123027304894221

Factorizations

Primary (ID: 136470) 245504283249747627614692981238470997416783622791639991627659963121 (proven prime)
(ID: 172810) 4838339089503201945092453517961655567593287155234850697969245329976483285829126833368079062187473362863257156552369878525485368745691199989484414834173183699640810633035097985427958108488954217386263557283887813439124500090328119608666318991024646373287197307105179526139021885407802683235860215359593208307202249954754191032448160467980645068370164763898567326080874775581508982345957353149920789422063390809847903939978059879116064198188816197131073206327607484493848848903064796801973364282261153369182920292068427642773320159637811840677538246783284760850345576688016933798671188238680118939101 (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.