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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 #1100000009075005428 1,726 digits created 2026-08-11

Value

9707830095916810068272649760239227634638477505806557032426308537619506239156952320605649507918175574039621274925354757036283998513483963766775450150443169193019573615055257125945841242559953248120107226274569379517759867246608421448532496107824202693276681425942984273890178652270069149179616289852902863087221363203973996074990791880486995870745602516574459530633836823482371774086792677133748125982006876378938052024713113972629182132027349031652623318847686350971882178200646659155438948978989964276277556392405812878530149363634954253113871983785492349027639517709568118668904823291621365644691949647785201121515099074587127715832526880429961039755506614659416994011395750753419245231252520877042681635627475129073448319295011152626273804320065250625350618036561086309427451447696465218240889787531299354893369584060461411598103936892951424702159331257099684752284848264504196827887645800703797810233828962916828969624815896011867812540992994397307572364602459045981985532198482755745021261426563680400455089162931201338021714664927656306645923766109327389331180009773400923298750928622668055937129885664937548746575985304321425901087448142541002781421112974905898262370738711444717054485157352072655169402254995041043213435783555983253342438392876452189929043854713812184552534911848992396502059284866268589526989371693158531080580317837513524994201888919092185540688259521329828413742181225866461125174811387618567986933856000316148396946535952206651853238819229452637976057011825971600096281595194384265960302152910140802582514750410415496098414654109168825424179114941330586979086362254203457827306683070330283132923972657631438517640992988947174462812239630946776230154031088485634369925018608621708130229954418572061
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 8 of the certificate chain of a 1,797-digit prime (143 intermediate primes).

Certified number1,797-digit prime
Certificatedownload
Certificate chainshow step 8 of 143

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009075005428 --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":1100000009075005428},"decimal":true,"detail":2}}'