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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 #1100000009126951341 2,153 digits created 2026-09-01

Value

35090388785669941310878633677870580304020225916033967887467905078889774668456205115328043757898016930474851800453578950222154332511822881499345103896963475708062302245365038453204467233415591301811133066887807009723981571951523344671884332802090195037268045058064982616859643233897863974360369762385995009498044611380970991707539550100228465149629423730492204343533328938171453211644854025500793271935320765142027184687433282774994037472330245673845616231780903916259611125082940040085921401887892069582244325350564568274443766710677031027153182458297359188742566036512855761028680089662848935149559230692781473941534815559572918518424862250481381599757927747240041398426364701358803255926225214192677902356815078782522963285632822521204245064891744336877344591895074586235978198701936639602584064288042992936120653462164299518647763469056414242156969375129856160580718755836043545627971562925683269404826724347037687098681579805816614734071581482491153461990559272210528851734130571119501822345680873228216756481609132310367836560735871924709187744908971329654939708016705256355486325565584157906038215581388089329213956273079189422521558418415563440495444474011742104078055887296392844507264596684492667958455747347007407767939573148669965337434436121772762262815174184313025933971833802713251624982234325762632149608356899930255344035302568771585562344253819474097676413363184403410335425742565033538496534625727361171459006480055738827694037774799412052642014405006349243556568145828236564332725116976583118871955588212653862409727822118026285866387351674676454675261146924165881098255545267295343139740244006311610934220628504414420345418401300723693236169254436339439532301434579931704617785637897414351301835584683197187595491901309735397434964811973657424199737942285317436697752454539263611351180502106883785933520430706685713830028695462715428921662935511563883577706498834482368377539239470203923497878536557420841761489999834897521789936013738758544273221752666226217805001792415718670165808086139848445392680498427170765949216480343491821871839735592374576270649218188034677813347084193976500211651261162851447823533126618590265586058701679
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 89 of the certificate chain of a 3,117-digit prime (302 intermediate primes).

Certified number3,117-digit prime
Certificatedownload
Certificate chainshow step 89 of 302

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009126951341 --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":1100000009126951341},"decimal":true,"detail":2}}'