Factor Info

ID 21380
Size 542 digits / 1801 bits
Status composite
Value 76738120187589619590532450043042133597835837357181206753631611920513895415790076983566102245569741553556623888257056671891790467735734772915530252979337877978955883010259335981374802662153346350765171301436406691797635405297345747278164012514722413622343504874766550071981777707797791035621978061071175008410062080937638613183559206440656002885876866074912398397832053222746857150830743136888193746020385328193365578054201389654417975732943585743278018935431416638530264553986989469077996640369785065696387217071170423846638678300616694506851

Factorizations

Primary (ID: 21381) 264278122166663495614091 (proven prime)
(ID: 21382) 290368796169952127189676147820227461529882831665352855085900590376758382097479786115631466380189684786412132283610742757322454917700803715279440644035139406202310088400639030122147368568591411260789040123707555612704480283727209652535250811685183686564411282430677662597538264638205689052833654254219003193297373812497940443575575998386379729991116780572348103883232237341577904496596554811988104584290579220558364711362609089685269477440331387409858759631623295234599245736386204743719715378077104479746631727456020361 (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.