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 #1100000009057729366 1,423 digits created 2026-08-08

Value

1615982047723517781102921486387971816652343360483591270848312301122042729479114240723890040033884269686312977356902251007100562669308888446611517748601181018161605388301735070801697892008553032420768420109400589313054948667133637926070899503387868714347809609291613301042084295755069536330735013512081935700555904121155099868571924150342318989106203511936758948637478574410519322543796850399661478027982273121794950685290786091225013336186471187648230323680324503165532051526707141228377274940896336438738695476087320144962531816388726481267624692042593645407397218431303932826547743746621876282454220920731256753783362967644459669819500009871619739875783938367002190234813246792804084430478911253219660878743206712311108215866869896752620500828775699709031670818550658042710599960496612826300065604465423284597347506804772569085071118987615304277605753408738168217923887361950872080349423291183234191092722750005711224465561274420407299751470308647594720612812975516110061376178427894980935611358304243436382682619796532569801717422603076296451208642436056065145116366813344494263950096768465262665969476021914980556581174347522270198064415902963847017438112522581120359049797221171637885711542108741988046568870377067225623181689434772759951665984060210106886508014755799812837714540347034430646829739210930020826129882393752183734586315860069141405106644156055512692912102296757510909830383037778216584318303248809960709
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 21 of the certificate chain of a 1,672-digit prime (139 intermediate primes).

Certified number1,672-digit prime
Certificatedownload
Certificate chainshow step 21 of 139

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057729366 --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":1100000009057729366},"decimal":true,"detail":2}}'