Factor Info

ID 150220
Size 257 digits / 852 bits
Status composite
Value 28409855412365561323424918906674733547229847666584290743252267773854481828704602325599639826162743030244974299953034405274668568811793912751350038636514321469303877636770125558304661008337013141997467900675527342472952365778004045970818655673100672945559477

Factorizations

Primary (ID: 149715) 211057409971705855362818568229 (proven prime)
(ID: 150221) 134607239879301835636956131967539518872266242946133771652766140246814413432715142176884534130656472921608393454876240552913645661356881332780906875924749930798401466199746041487148087626130730373249693141804285574395004448402513 (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.