Factor Info

ID 172202
Size 421 digits / 1396 bits
Status composite
Value 1280019436978810208281962735017464046974109964413231128444683479832866587906415700745591152212386385369964471221422082136543668632287253058731630433439470890832641476267142456130665916030882956757938623842376372191231535724696841566979833682226268561770114908301497343432986306298093241215365896304269194312541949372601557395377870035459330852349200494335301646771204151865941182061200593131681253258007471278394292370501

Factorizations

Primary (ID: 171439) 1876145553479032165775385143003003452358324053293452461192568049860212671370616737143188168581 (proven prime)
(ID: 172203) 682260198098812234300216580916863996545482027015208349522643364163503858885256660212537778861262467415201859544352250166478504416901275170056073600736217936444573677848236994620970628136493940631861260511429064487765640368826813627359139671715386911376986702687172293845693870577170083499276048385425659048103957955053620176321 (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.