Factor Info

ID 8563
Size 261 digits / 867 bits
Status composite
Value 821923221237592032089851636754622114835221194887978579736314900816853915779262166461673520985960197534890767038329703906451061704396653894691436127361459256529236217204038328953383150843761885761661448439285473935477325801353749823369081793960710373958056410049

Factorizations

Primary (ID: 8564) 99640870978732398443 (proven prime)
(ID: 8565) 8248856249089045198093932701985794678573489173793858472271040353097306173877226193834962858893574278708713000566708017503878734859980584972392999187151780398003597905039807685444757933937644782681213272015149004006957880632728777374368039043 (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.