factordbrpc · fdb
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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 #1100000009057962921 2,530 digits created 2026-08-08

Value

4710607995054164276852914918483280154644438256676558962156571876711632226348631042237885384087423701504654720733595970175656809614525707277137668087549592595866872174687070532715271628373496412778720318988412028912679402995823383881723809047078653685692036676934002219087560623422833479906732047923317877327856737471495335579787632191763754452509291189809443563041584421711244657015693502474665545384865998533409586013248012316691120894671661099476687053865082696583288479190244967799207170982845753837584983050584865188634296129476388743188766404621588393552556591378107774201648952446634817815446991254098187984629905286094395943671772164876980728963596302973231792054642000270205377953684297742899788982544235260874664895233469976779024993963107303119979557082794103734717757919619193625993570883604182667693159587179756648616633170068272024596918873601898831642981521349040465457677234934786754606939682263831001753724415056365602592514896732189031562639781878630505640913092204789349964443913927564694400703533796408915598323672832151508978820114256517922807436975141945136776487496345192959216914737390147485866520984574598510119301257075523096819921146811359795539310176350984884965931912670953080289025016192658033689161094558782994237680248647205761035242410527128188819325318861464858795838390068664411387262795020585102996295906560590183041558461857188625651049703939295022783150813910394522811524514994170937803298139805831622086518837206704444816017839819635644446118394697591819867098909119955047060285004603660572170856007164199572053577245998965591137604125091226893562578833782401285436412802327653435108049953036830359387365900051082468920872126754403476703789048713319703827896459154151795659440039945318928016405230455090248198916390088357428316827566345555629923182254034030200600017268994999942501603874406225053459981786372955633304061425087400866690185321583835230453706307964781577245758521600248621496466375382697280592234825377092090122768229977504690588970250592341890402844344168412273197571343285001747495739419143338903136435503294335152912497124997569954668412925336279291628323680860856355404753135564662371219809957106128329990182390172173400942914361419763317317567094578270459024973652715806328736058920941151065470510438825327899908466693941158165145994817445538517878239486181899667907525013433572438793877440923517916407111007808254227190617333783557801345005186981742182044698741944698101143069731750760207334774318790959168166551854959076928246368609923091185747446214935179368588050198157
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 8 of the certificate chain of a 2,600-digit prime (197 intermediate primes).

Certified number2,600-digit prime
Certificatedownload
Certificate chainshow step 8 of 197

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057962921 --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":1100000009057962921},"decimal":true,"detail":2}}'