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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
id #1100000008790791026 3,177 digits created 2026-05-05

Value

245376609655331041167593116223847779146693142912888311129962273196438765819166989390487244849484734763814676899896109398507352637831748264793898305582548038297939104968477238354100971918560221652840279070352681003573950819459774018860032959530950258786227073797763836355252718490315504435273716694905128180075699008342083556020868598093711861925401336390340950411656469716072577278130500001407596038599978139688899263768649971497457447264910406218582107288239794393110094581674589655170194646834210514540152145951771107882083746404258054151545109210096558387032557691187228289910726266545010810007081676621899495353765968613181908919588568365430654713765055524390734032396175639527163103620440254414007107452229818897547445874496925861112661587547258613110845107811640911989635120835518309061986929528773131599138715952537334103741764903926203915544419986649696896107692525064669017637283781897638278424950019747538301878623078784504168248008327392107956687737625142452470847356593462881813816323002723487167315994951377921616145800441850778944020444609962346153455243548040620169111091604962039400573106444979798866576582200243151225793373711106666593787926483370903842256722220911477643169679899178074429312459581726752726886535142429383139502126929849406716557738512186096835915071068769623365101915249786646058046420506191182504832130744874800851635630293490736749532191247427751829905303918217142684672857332362546292447446334503782507203614001409001916582185785258210642527421618466587644092683698763042577135571434288204906404809948532639114482206114661789142809452559553332360171526437149041399772621741923610920010224680742494119702064452414328505445092358872784593505572827269191480041593082162717593391994616886216979959622786235928212908212104857905431232164289573502042488647586030442200609733757273003623406049359592757812836938737902583840080432497537078426856379988972975289810787911911923190324422171286887681483979365601667321064913384479012139003238109460071204153512338633895763082787786552552934168069108705398148224153725638719741805594111824402978004503204277092470056047330610803520554352831335927095537291587402167008405687781105462665604669208017198663224502233929990589477994243620957579721565356840627144160330133988960591104346622546730122959073954110653431684722444805886652617870733439185964586664798097912346143872195145440087076892882517509959693996345683601543966490285628057021706802052659780897672197325114239576707280289937444379074522235114792726648472785407563318844306865666687756085078816721651379076203507235066899540788418497105645273997380511889006802376396708564653680932813736870664253077060831578069317351266438869199256215559541539207998323371164401575517110627079409782563902908599491584560352689831924500306605313954831102183290197745490398777467011845855917289891289288878615910400950701813802276885810895509183059437278811653805417809426550816593251968912923718076334798629512057131999315464521078606382679213648806832016046505382739396250055103944138851928598555645840109244808816036792378178254245826326188415853449041806009589754406508282576553778517999825330303114496183406274901337467146720759601811334932470907209941743
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 12 of the certificate chain of a 3,331-digit prime (216 intermediate primes).

Certified number3,331-digit prime
Certificatedownload
Certificate chainshow step 12 of 216

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008790791026 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000008790791026},"decimal":true,"detail":2}}'