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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 #1100000009059040373 1,153 digits created 2026-08-09

Value

1212629546629288458798430403401574271936404411194002416383432065455726112896708464740797533953943936879879479214516283539856787093044048759335439970771381723234201476839540590369072487029348454419772393204618157537892224759362338751107993035281289708009029056717586202937552820387627902353000711286849194961086193076922647208453538704147220283209166541583861218473767219252050152353759245087172860230418694083190261126094883469896625562497749676428152080342690399441864215288946125307727519257310767786867986849024108838469378848862278958533306126005229439508050649387354141756843508049290183460799689234086817901668970508407376621797209816855070033325072347814289026250794798089578734196069592719139037462699044174833798211072243351899508771821507425881693135342441596458059376116318273747110928248278909093304377177802939853980399412593913025594571512545077167926238937381054192412151984155841645189270708182694648955081856760024576886454546302983875239696028565609728562991005955068938871288522094192502264020912092188341783113665923603316326211637590822079919131088490969482307081994361857844756737794354393664652266898735863188377146472031622283249
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 87 of the certificate chain of a 2,260-digit prime (173 intermediate primes).

Certified number2,260-digit prime
Certificatedownload
Certificate chainshow step 87 of 173

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009059040373 --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":1100000009059040373},"decimal":true,"detail":2}}'