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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 #1100000009041886750 1,093 digits created 2026-08-03

Value

2605020548544744294119416948339914663369041217003023345532680078809773987245218247496353893108317169267335909880277477370846913991614525624668435714365256495331318796910631091499210417946382727509079278531398759127901242821743860552698536914813479193636091928175485558683640414406861830142841352191044571450273296734011952478221733770207485959914096585652753790236470432710332957876348647777200843989841327938687909834914054463669064323670864073841320116867435579630869984837384609142380857834526152417974679742850453213912556112314407678498788934712858587628482636278578372226797223220651928442184799062852586761127995901505625108342974106256492250450031603895120443875181349858595129773620393155885028332823854995992860876801356547980463824397742959816832440783700883884628834534877757899085079668003976572450560599909683108898434841677662569879285330128922783049262096696155887211890798617183914945809868449117114889460017669147985568538701553039375469859429220618567025501202252046167586376452182405594631458511625337587094808827121535115905462384428448440342923077453413996798986612663349
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 20 of the certificate chain of a 1,306-digit prime (111 intermediate primes).

Certified number1,306-digit prime
Certificatedownload
Certificate chainshow step 20 of 111

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009041886750 --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":1100000009041886750},"decimal":true,"detail":2}}'