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 #1100000009055131513 1,288 digits created 2026-08-08

Value

2798708626415113855925875787204877026221175117530379623844512138482068123015250544254291987265166175878311495044455102402526859677175371325183500607114114394488333804610018757295206093452563604856624825962712048187405010221520824495995139102334307362758389742454949828080345069367524352102093250455468244632779194939015675331036745188918064717044079249429091656617785081253737705292062132860957709163737985085929395693935341202720740124128072785065823995884464368974269294020641151142751179089949776858710017244947145569225870600557999045727471441479903732579625760204168809177796150536227049914437354802828829123422453115444837713164126967164274903266590310546838562621735001094313313735961841266037471071717519530142852709986905752899148180697571635635589069054589896661725385608138074760321674664199133285880289167901630970949265004864942609354634582151965437418043901278646671983614631952664662779863852932565208642042252633276494643572473237950647550298256377068675507272652879344759221510281437681970295587117691557255666050237067680925763469130289114514771458928317199269756394306788796300505909124430939651211605057065224392623495953678076630835791762624343329028407136027585690335202406638562912611147556159106789241842959287519650983867773975330077819483777977295688807400361223
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 27 of the certificate chain of a 1,637-digit prime (122 intermediate primes).

Certified number1,637-digit prime
Certificatedownload
Certificate chainshow step 27 of 122

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055131513 --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":1100000009055131513},"decimal":true,"detail":2}}'