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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 #1100000009050961999 1,486 digits created 2026-08-06

Value

2944129332039979355447139323122954765483692451919926342152277879168392853097656254236763332126256580282331462865578841218508752240562437071188348006026855048268687322666336965023769887301457835157355344507435061389798629982731423757122931826838739820602076167481641599734898550538858300624173822601041538157258694180009789902556127078575502139042023954863865397254235233880450098879534080837029454523066525459929845476732592794650498889349699538007599770041598377782585138558683860355918454021809292827008657956781123998787414581052308177649171334630041173916426829879423296018781191556534126655233801085405365490797541368700098748342086725810794430003057270827783285235142390250480792683139708275414066799157649195551096710512336731317930364457549541223461801084575584691586178349936744275909899121491019095764235295526432092207641103520169363509222993725639564087122277847648107587974720543188742465341001907449542104705484703343771249282755607493592159652773779568454492406767556445586816748797827543256797499488821150242930285060130448019749335244070706396751633910034063691296658579739714127294219969314267794878956309941944081771151845715957925841730495537598379705739480542963854122508938482815120256698521415229823762657830503347733055051943231793739697824718510201723364596426469317680834980252064511329165964706679620134367062835359902771772069096938873875038754646270916119573830041973839123966094794630114032322872271480171747595988889881888910395255655164627584854530666267
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 8 of the certificate chain of a 1,548-digit prime (121 intermediate primes).

Certified number1,548-digit prime
Certificatedownload
Certificate chainshow step 8 of 121

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009050961999 --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":1100000009050961999},"decimal":true,"detail":2}}'