Factor Info

ID 57563
Size 263 digits / 872 bits
Status composite
Value 28963759711344809818663629968023577788550778053688710171672524216398078548258526197824690869248388557852279556983843117794682348830988088239688310789067938072392216562118545418175475954687463363634132024373531300801974172094509734550051928641433935354430238047477

Factorizations

Primary (ID: 57198) 3299409610497308205563537706817980829888227789572822696222635797832889 (proven prime)
(ID: 81381) 8778467401923826592544500962854822489535012072366712853499180880846247075005415293899250072687104846002549583411060485092750863137426236178577019854931404897359168595670638941185051516153099293 (proven prime)

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.