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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 #1100000008766976402 2,128 digits created 2026-04-21

Value

6699222655793541275172600931633463240041599620572348126941943902839587192782207866426374012273594812621524023900901868342735558801119114689822185818526425897657921374225840402460098510549222280966205511673442417695163164400103050169680742245416583956654278506593927333500636974031439746091514509432327302613930201022953420221866148278868336892933062609690566132113495339584626721549407840748356922633196453362970744731600276338320648512245667220727619218311913534942026040707320531830637641043433233935165844576663131205089729891971123602354655390087176003905343774436360280974910247801033164674291074495548314282436730971757890070409692231059318581526197521875924345888309498517935805100878815345936163917735565668997468367813382840934543092582394528182466854586624058585906976824688540784707454659201489603343685376073748773962925050959213139626319938140297173836158469163848421596633757767640119543929762126848363645615383570256605092308285867657359052349531487105260772724753636879594208371487678481918782689203005973130125038262384931511847633370558391839949024120656556841186625226234474241570224130138922217218630034644763839156837959162956566822134172687701814175810352279529830626934821910830866894981224866781032865819649440536381832854296801780092186696721542070929929618287324335001629464232384997822410117037339816323303417602135522418337450145162564962693016366037465497184350384123089844501577989554207235477641476926328170918296057625822736561992726174003694382074769020719715391376943813898678069946519354684455646721231747785583679517088785826221371953025621549680151607517050545575440545562604381223263759271199107971871018471662647934934665299895850033007264016744920335887831737769837161169864754822719098573370846551973049398009472581101523671893418267443678422270893149597485208155220871794783252680682945399127818226570977117693517121217591577786065671754547455554817691146913766896587178497771033112798081655149309239875267174873429486406182711027926300106827494055656662251031755197382789049914500587666342385040627281027800723923693847349492960075073298857804420198382214477929882282550952197091480823
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 69 of the certificate chain of a 3,113-digit prime (190 intermediate primes).

Certified number3,113-digit prime
Certificatedownload
Certificate chainshow step 69 of 190

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008766976402 --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":1100000008766976402},"decimal":true,"detail":2}}'