Factor Info

ID 57751
Size 320 digits / 1061 bits
Status composite
Value 18308552995703360818377986788931538687482655928050368017500905522349811696407332829508644682206217080613803165173970899368325226437021395947937010498775078505249031585699950003957269701956830148003524172324171293441009938370615125940577175038831944163053990037412779572745122574899833470726387864062395442336608125240843

Factorizations

Primary (ID: 57155) 3921141330646275580183 (proven prime)
(ID: 57752) 4669189772021244000781891690122991187825447073980136513884092281321017042372782948575215902036216575318099948945738341209505830483937185043317288074586530694595360194072167149382860015432616161563841879876325936440924969544733435849628752966431360507608834441657793219084592239854944323763549279021 (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.