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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 #1100000009054217124 1,601 digits created 2026-08-07

Value

12229379360376526373152728552000521626598565606824543028402199969130763367288063199764214241487011324970359610110828443887089179222190049156748837597724008041045041185273170958551922824159471524462484821236188262578445500998404652481399040968102958545373606987576340483897896524634519422308602612864843049564273942681027987046397837844798947154796129673326515578777890400426776121760695421685095307367901102803156853468631158078887884666715508504382004413582533433112813711649974649724215732169090102939158487501528149509322055501039027747673991666207318090444652596598071503032561203524964053051946223978931085778422870436082762994150876178219726845910399592607743429717895627478753714769463231536260151374790493857986191043291418529715110450876386612351051534326294458326946016909820610145923790033239676040608391142849823051815582562103832863309680268131416132064510393821959557057202703243383031223494210299253403756730906975969980067391240856471291401749414190174996784675226913016624860821713979603996123472712640555624123399610939906530349821007248291218994643547685311992167283766426938405831053332373058347142680265167865567977268642204670000751563593423646901893201256515746984219430684061209977646579076435073488804491734046325126296299030333993313990105758173968217523044351783832216619451422436264403064651656542787077784340119019016578627754893412738515696903888720128681159496978773577820372697636380221942944686862389456692447160141596550212850842758141202404178029084604610453507119235276838092166884188754134647805685470525258230041053496292442424093519747810222000100168109689528191
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 54 of the certificate chain of a 2,214-digit prime (176 intermediate primes).

Certified number2,214-digit prime
Certificatedownload
Certificate chainshow step 54 of 176

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054217124 --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":1100000009054217124},"decimal":true,"detail":2}}'