Factor Info

ID 131554
Size 511 digits / 1696 bits
Status composite
Value 3453790509238121633328516587881112562901325360931724344969195237332917748774110625726476618425827259723799183380330685326294813278230905457318334169400825583587017113955724609534141808571403990543105167053079918048253866550647573788377354756488704614920942662135152721214034084131590353435477483359561830823627343086239974992729176472724783890583542891720616139437896683981196746861583918230612613427927324471020619904195934347506228318793399861417998085182512721918611660752894237805220990086466914196711119169

Factorizations

Primary (ID: 9945) 21411079680122710121236277326551385654412276472220854059112743 (proven prime)
(ID: 131555) 161308563642612507429026664113141200135868330314797578261881086489546307401734535758631916771991368777752826609027708429188905908411003947956586543393132341263612392417801605045161181171652847980983799966201354577144502352145335410870476108307107140603631210753293477748983939954378097085333003009357244780732947715114859934765249606124137098840366037771029917536138441802453806936555155868716357146756370287048670933083676818703414106595093222730583 (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.