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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 #1100000009071886860 1,596 digits created 2026-08-10

Value

115889072366870354313673448339673540282726044081201066322232462486545425695919855533187421601078485458761812255477753409187119379316044596492297568148674353145833126411416239442161392239650427595047757357049995569482054720286426564426167717677883417296027477256294447993244466473100511806161500802242736762371623973300548928061795097290219338068493939297928922779406678052097587109963976434193211990781029962207967743813472187849120292712094015828784255430715429040958013012789137821327027151868293680943785713761592675356563960659964633365783991180866963423701851842610332286691982506742391921640952435160868065665647317040028592532246008749685155175634870785943893527099917600051169701271898236136606673022672142845816901094305075418427862315748264911875742677887762222865481994752781854173662606191866772532344469343897808985506372899249912421655738161483399784181784492459451865636592535179193473580531642632845079937950752014401151388683214359396749978452344538520535855104229802490654413361839573024503764755790588065492287331609458465138954074533057166257370692065995027414688445839090740164732794829931585515615384675950120806081147199135880978548740936962925288724046664921807898157496612465800657262908066672968314297276247123404389373837968264706206494252494064198685315961610964858001920170900866488131349448470277231154505777081617954331057778105235999596370349238790714440379602186569943291574425429071417528373724934392425007589003295381921050212367803287505555462249906196170380642772541952343428378095413377146043551014093113035352381735650493168984638699843666446754053505737467
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 84 of the certificate chain of a 2,645-digit prime (196 intermediate primes).

Certified number2,645-digit prime
Certificatedownload
Certificate chainshow step 84 of 196

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009071886860 --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":1100000009071886860},"decimal":true,"detail":2}}'