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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 #1100000008678596947 1,753 digits created 2026-03-11

Value

4934174022600854707288358105006936307381123246515932224818525383241478560516759141056068942731901727253995982093814353835142724239352844187696227071765437950855054225599634701814178758562911660100233876922904435958219143020010539468892935799685626326156316853325930267551137173218191890289158527412631475644973072029087741133832289924020031342188576323290876687692108945074443355841844408026459785611245121950492701592942250218802674254458111657923725804860642127302036263044974859892610014335242713030310990840182460931030695107852113565210926473961268829462382322393247255022722510971230662289006074185825626954120466747814956234149253577763005282462319829274856285437572246997377922782462937476853974940702024204463085197262194317914688272174204739507279380886317047475028832915769123315653542547713908072076736106400857112239704501545264654116699647824012978486921478368765823349743787673651668935737854694050487880614893137205523908974518321156849124712769598490531008239072867689603435008892665471840988630535371151571430744541694003940983717381023820698245481987730190961102172760000259981591689634053225960258398162506822254536684939171601494826847139633553008026370822217591110308486512258842428839579136849694124683265497499767114578359906199072252536685605650021255260325728575663821461911233120698785144615246611356201478090953524304798564696211297958671190038813848305103689406666023813114151725955825202186529842953404716431971304473675215819171803567290417585520844238451711754182729400045834102122018846334928499329814511274257274179143313441542394297054073383996141053390131846694078517596672958133513095528420427791771597372799637141122127134224941393805562048720399359974004611923336960441729390423379862761531134049537590465534277453
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 31 of the certificate chain of a 2,151-digit prime (154 intermediate primes).

Certified number2,151-digit prime
Certificatedownload
Certificate chainshow step 31 of 154

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008678596947 --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":1100000008678596947},"decimal":true,"detail":2}}'