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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 #1100000009132758171 1,030 digits created 2026-09-03

Value

6211526209377362407022352301625219803116730107009788529811655154820347385565981920827872363244579534907721490552083555253685489434795903246515602925648922955481082461155564021748269644877518578695027970307484301414883740328955631481321256943767606974284387414525256703385128173940545207799386088484591637148572377431033234796659495261589014264530305054773961523511770923123507852930099897845497366676024753395300446637423401414717156864033601288292953463849886043446584484519325825024723017004883673818334692084723935634992996692887789796058628735740748814570623378488673526840730669585472564055502183440831873432420044666924875304827078461395570150913472299883268667583114159658190699679351103559386543755162105072140106428137167247446984927987322394633739039475356170067552679661901866796997578445446461968632051974397739440252698942336308917847458158595171301339870935473211129827914196275974938843880429448530102240156113423515295831326274989848237184709317371269412058639709790585562239847342886806107025388632281576472375633
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 195 of the certificate chain of a 3,186-digit prime (307 intermediate primes).

Certified number3,186-digit prime
Certificatedownload
Certificate chainshow step 195 of 307

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009132758171 --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":1100000009132758171},"decimal":true,"detail":2}}'