Factor Info

ID 15558
Size 307 digits / 1018 bits
Status composite
Value 1989231643083679015872567493220776366412085759346794081434068690261017247943769422266125806313737985074241985787997698179191426042005029211477598880418188118465553080386345438503259070038852594624410624735838143636944824298437241292183105501834149383019526384698947006822316692764571283247020210710512711937

Factorizations

Primary (ID: 15559) 328516339886958171419482857961643272193 (proven prime)
(ID: 15560) 6055198483485386829963252208017647250588972727917103786896741995138845334042647451809322351049343553401921678206826762643976268623170024438252132477208936545738182482450895137739498625197487525548093276228937883112769191351397409057162658771710363614375865692944945409 (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.