Factor Info

ID 172302
Size 280 digits / 928 bits
Status composite
Value 1982320908391665426425930496480441129330613105225065869892030127778404905068441640704484972434929239548479121129599919864681682600462431586582016546741040190952888643485844292055617545026618522845825827750887953365819480891639024313272474379944870938365989582063499127382333965729

Factorizations

Primary (ID: 171459) 20488728835779778300125444564685725157744884719388147850741513 (proven prime)
(ID: 172303) 96751776270761528226912021008130117430858404025707667720643478208616625209943825716753296681718018116519216282983135268385968952776768865972621659819350336107125833968718746840121720070325302731910055715511749589276633 (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.