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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 #1100000009130372897 2,126 digits created 2026-09-02

Value

56069455886808039241980852877867416403789544063802522069457033573273998644369495084008346572798675769423309823856241015292388724117530668596254596084651579739589327766935601451909557125784098655429636125042382965265226842527728496303572975558451179842160897283125858810433171394842284964814930217825175433865007099550982107031344579556155894989272169767933017966098471248356395465065521101006577790359378494835559756775580255101447497555356472970743428555674248039173290853204745467108656022235956760602091224323940644290394110828946692406647325881293620094108988388745158556074221801335817019725025518646483445020689371204692697702963758393202333223422054412456782752935612492158826468963114356876319967341659318175206078263826770881375888267436432918470751700293656800133299596991363903513555252280069088658186525142690904716282547366489637692242323433437818607853242742470127576904955844449401626873358741636537938667354139563153249677445322768179017867123491021334172055065652318056670195137696043458405919794141057171495873208026194391799741619869933413563006124630589815071240523052432019926108303127352898557299383068901596999841044581540104740687874604081476710337269180181864528337923996249866613043153429041688478156839237958154668764378567674818301892816284806911194190323627273405604082980724395891703492975211961304912291398970576446672570192285503806501079883624285944780712217771676981314944095118028154396463387231640567792808571930168512414543283877985776856958973348191356544812863720667815999539866125326538969570003115109697955781899360532746727932983804788917608284354813294745303606756002804649729745828288335942529520518571709489980022171730227304321663622679746717783331536672040476513090464395977470095216929136587180013514589022272330044778398745168250244516080775614813024460135177475553416565257657902813210178201968373603865443482849927917406323551169177161914022196724046787103225214735221478494034249098976148906061190806580387912044722286745298067557858113221085576804680158095682965429258343555520694142864148381581174198139635569075678590325278576073338492212392068011515037225744038546456757
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 95 of the certificate chain of a 3,159-digit prime (305 intermediate primes).

Certified number3,159-digit prime
Certificatedownload
Certificate chainshow step 95 of 305

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009130372897 --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":1100000009130372897},"decimal":true,"detail":2}}'