Factor Info

ID 7243
Size 251 digits / 834 bits
Status composite
Value 81777985833438374194186379179316562811072007143721550806159408798773300782961327695096470566899132659418549218340865645481870521458214066919085955130151283732754259680546861875947730582650815911850495911053537977002721184802027550687973253491826240801

Factorizations

Primary (ID: 16301) 2047676978710884689089 (proven prime)
(ID: 16783) 39936956211189968017911461493311627164404040789076790402749393232651160511306342777967896268426847626263895201347465085680080713475818129161680545036210474629825971592555504960214757198893091684623001066860822332988719180384551009 (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.