Factor Info

ID 21840
Size 311 digits / 1033 bits
Status composite
Value 72163184535648704721747434567587887424027644385360007686567685574705883768681692774294812231844147279403000937529701459632055496495120532267651497097198678710366206806092011036223659824444940921250398884830683036650052931302735165796044877357848269880517201531956487216561902632525803408093895516245409708230863

Factorizations

Primary (ID: 7879) 3066042413300025661761581713 (proven prime)
(ID: 21841) 23536264280825270323974919763943267260800190795037544687436586890303124521377114402824452445244576843906631219760271812292668982093444165056109237515937412227557033616735637246096144636208140208526183453825490106015454288981427491598533798753342178910621697131150987611580302652339551 (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.