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 #1100000009061477671 1,240 digits created 2026-08-09

Value

1907064909283846278822937874113800241261272860473608451100568433644863347076934525578987159391154645857790464857211846288791169647658084656932035220695826570116410889883246620754931854297067437072177773421045756726543315438821853907186799037890761011168089027374505621938802654965780051503460560195306738564856681290333698712338964043884482010582850145857633619296354616975836712400073808368075942207567938573790083108549129142027550277633930541595029423776358530127693197545904953595690186355805203307346020571489895365658005480896900394052936069692792805537300271321267146070025503974842812665710831449255951760117667285875679158597436376949207419827776714108320612793973990404583381264463059059906109781203652305339462559822010040642786542859386370589033293267001631005472599582945643820556353145810816362738225900453414652564537651528985831730932942795455941290281664829902538149746636328012412858042111352996933412517870209385154646067376349575981015919225920214036692694837414721679415825634745850764759626508242057144247385452514778078133914503463900777493843267604445921495611878854146997635008890598934829648541847058363264284955298083651985290254650063767838772144242694467906032059297750861281795041381460627970249697813241108127
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 41 of the certificate chain of a 1,686-digit prime (136 intermediate primes).

Certified number1,686-digit prime
Certificatedownload
Certificate chainshow step 41 of 136

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009061477671 --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":1100000009061477671},"decimal":true,"detail":2}}'