Factor Info

ID 29254
Size 257 digits / 851 bits
Status composite
Value 12257451115511744494684478963238041363435972720736175310229373961314866433778194486070377137726442015857805406798348156857661743563176916415486483157213616342510344993648917995906438316081624040170552416044429848035295514272422042323085010221737311875408953

Factorizations

Primary (ID: 29255) 2568041714500286313054360802775479764283217061617 (proven prime)
(ID: 29256) 4773073212284993784712285645501187527740477636743891692158190327264484716750885342011382963417866158657351864979020299799426667445099069321470772219184839739609791326124876998806346387453437107005744580043209 (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.