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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 #1100000009057798077 1,079 digits created 2026-08-08

Value

10987763553017358855307480959340907393441728929980730398144494882374124454004416847183269857363110558731551886249661956030965929953417976452235355173396438879324766790507671401938483598405230239769460434096784023185941347433931167259796080844923756282458197203678338052660749380441451189721617601465114453237590659529721713726766588544780112334048688742918253126015679049220368374757358260622847494087993876426376705028519246307429380033636145722474868970609038203758893790358035212015813801871968034821917364099021458155135371185865099720255469238359535541194154708552929243460730706213424562711788070072433019079248831886019568197265054552996038060378164794023166237143614675740382862975451196129578582096248702285336560999961440532544504368673771761601013371743708135303254067860616431087760704072156919157905836554331834171632227504100769910352329782129088549869930074427790167845147063315609580098210277928368134933526565315231862052248249717672199427218780464961501258104151958020785052258893237927694042434419848979289870298381660043099185440050181180143506167783474945129
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 54 of the certificate chain of a 1,673-digit prime (141 intermediate primes).

Certified number1,673-digit prime
Certificatedownload
Certificate chainshow step 54 of 141

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057798077 --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":1100000009057798077},"decimal":true,"detail":2}}'