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 #1100000008766976168 2,569 digits created 2026-04-21

Value

1908432221417685609413165548103758568348425322118059021470148194377115872210711427421691963394183458489928484478064780583114299627975444420186602895755007637885565652683149920368254806347507569653730478215884851479513517129922278395604895412663015895230235411720521138225381955577120407337456629447380013680778960651431574809390780871447567204820101677117875613733219130742079143737044997743253185679021802057451549571802224076900859472016713043133883900198369057092669040447548287847124398613364674561645466891752222521600166546996754818579401077641766948931041356754721788489273757281451532782530951150089733648180102370560177520556971818264245113746072457080637160830881997557106273641039228744842277524975776183301471120154063975110177404531810139413771740701669385458505479681216556959881871242257642815402805410169171463736237809103309495083423580639057039089351821804680807643986408394020341779736087411664608863325765227112265758505722099828518674024783823353670504699652475708403247313803584535422793941501027118695286091191297263476626952011900371483318493636793949397539656320365872159090910494502414315709222725620881326162806266704951770962657025118070693915278115169552556206641256678876454599107981539784094262451484046837044438249749365713834712707651159223064723047039683890780982742964920927008030471208337172722351117664821164601588158743368589464613315707360820834056669889407751294225140575170051464194940703995272215274318811118821660178431474775370032435877765440863917710620072810664059732084983892553322624592422058242328692247631163128263371703487048492891046787469828779857240056978995718741945717955361131824595818455167502337926323533279833869185162491907949881314833626730999888765776873267657067067497644478498539769963439634585543725237131252265687598215502006156191138442973115046514201321715635776802144524147950958179131007858439666719551263421302798688367520471032012217235061903996507166457766798512760832186257282174918227617547909923579557556788276180790188238995776224507076596630707202718345013886266581189930521517167175698448112397875448627405115281241162091451500311597837870161374634276060552729392466618616938632226778353670829022943846536938877775387249647341325211790483936496368730667319783012830646509385160811387748442917417948924713271415231618120845264484899834428808803054493901466195198333598215056230429086585423954888077032595567061871586073642653340376021806535543034691335660778526719374165377060755759557121751932010444272257530641591429516024825027621000726614556365803867135607899813457874464348425148497721
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 35 of the certificate chain of a 3,127-digit prime (189 intermediate primes).

Certified number3,127-digit prime
Certificatedownload
Certificate chainshow step 35 of 189

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008766976168 --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":1100000008766976168},"decimal":true,"detail":2}}'