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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 #1100000009055629966 2,037 digits created 2026-08-08

Value

172433742177149860257909224881238578528989429133785366077017175944067481088518353072164175062672302911385127029223663518630211804536418354444941368821774270068939644646606739105333630822978609368524142504269776871670621514516814346821481407891227597362548800785928372848176587809871813628247332178751935862735839489062082266030617937608485518979932725586650718846380572896976455589572887653612816726553817828323412224840981661403683055999641397402090072116211194020296086989588941640728187910859445203819542347996507317658034582426998272443518727210557184987999203175974341652020013343110820945299169475007961427998720694775743315902883647874263143502738589844193885680497936028318137341628523711538369868274126350074496432505393750856032395819787614825953415827702920868715873010933094724588588969628463270530082486564314300001321370318173948302465325488714539971695437223722630647394255876267855634137467800197836741926134249158030802686948596876156218653888935809955528036836373502733843989282189266571201538548962795969842549582804349171905535998688106141370633980857112366402388104288221490463223565443917989258901694252447177822985780901826625838490770629668746134126954727739072846942630113000344289170446023582193138860736222717779084303274584501806438568751087541884895991060141010042277434394975546849367065493758223725562284344464747147617777852696290708019098382912319734170620688763031787391355739195862102803724488163152196800497224246878401249748391680909046958529661648070912289157156136977199869316323511647757792005982525468054370949691456338546804539700274947210966296554401861768429603444414488018646571511283135688181473133255465168367166742742682685535598911054672424849835234072014173774238915032207719865075228990019466168118687759711608693063711801551251158478897413964871341347958255260873814075971422488277382214148954656152175034871920950288571955423481189308429478283977156098994206759425004534118753826533799996573518305506709705602137725447168362815839357325988514872610818776184996407371696931520397921813
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 48 of the certificate chain of a 2,592-digit prime (204 intermediate primes).

Certified number2,592-digit prime
Certificatedownload
Certificate chainshow step 48 of 204

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055629966 --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":1100000009055629966},"decimal":true,"detail":2}}'