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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 #1100000008676271728 2,279 digits created 2026-03-10

Value

10597652962657222113997088140643036072110109578282318300596293306328956952373024354007433791449114849875253011513648050123803427165445855876194122604157872450104552178644309224257562484293336943693661897326776948368501470529377333820431388206543262049691883558919548932449868097023250041274633256836903484998362381726901612338484255240702091237869960925283076319094100758139405714870320848475889765218303058813868939121141401816821675013194449950249485625199932968288546533465599457556777027103623013468695828309802646177214260888970990946940703652813658221068244066368307964958769752448874478771429159160195830891628177161303361933601953635507282281902658918028487332285603223587823286549131178238115107123346922347646209608299248839390655375944547697150056613374284358790166960603769149496993658204289867017105958664880964223628014528999278244488242850105169767125413837251295847654683654163166688740802416607506975341288348635453809147586431319041606718164937871413032958939226754927802674766746428056765962809400856018892283019213384361278413851313413547335497224454064429751552365128796806154874239038244193487493492777402753686151541049253503316131489177631927809205400686992388143118672072869933989853725975119916465255693018493406013190547479246114066123583911371940213325709101960486059811615966303533070872806091681671783059808329585095945173802698138780677853405974366987631036152323404754461823139193524321300950569757474302735821891626214908363606867411212890490742928137740263941840368993637020504734893755688169597493892683348044932136365940084214112353072581796171857380245133705735827208426562273889705228363557830644068914434826995866453946244984773150119360627855760336553202054784557228567816670127984230350339234021757035195091345201225757615707376930476985063035171777922915444902035684964912467104336150087563675477407359779578453837412780850597713004681589428243957173167470206210405046907832255215954882091750237470423109879633939367810794969007650316557905690078178807463933465760319542215559054267620000239508469091714592530014865800821676117255460368037770885056844796857802895118170376080583569995897315408903730904931066950242312339575175823019896877496168768948465168505107927724973986605323584013207947009138081004945412702341841764325521171464093
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 53 of the certificate chain of a 2,915-digit prime (222 intermediate primes).

Certified number2,915-digit prime
Certificatedownload
Certificate chainshow step 53 of 222

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676271728 --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":1100000008676271728},"decimal":true,"detail":2}}'