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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 #1100000009077671141 1,273 digits created 2026-08-12

Value

3656778466991631239701028210616846220424266896305886127973587946142154995259580709299966672666541413117272715535561023394970735997196018827434009850584872503497986867569090352228998638549231054375247718478304134344169671621682727927868230849769631870543565797157376989382927151348744032812399758118721538508440532062039390581982241860894892142018853081961696320062016309497991196662914911968203716773011813888311186197786519801804635319847572791954684072409135722652099519462613543934352301168792244652134718576384869782856609685076336821199293689161607163264080554910577469259151645283327791564868229731666011837272851339405591868497186116919632822423728000090692703592731944130997030240964190370537721994210386583333900370539154084858330498150098455372264080692016352564302059923301756168071973435574614806447489455432487347431807409008809544364649077600579777294588729610813936631478991728709615751335078982264445238938098794272351728062217814296534978338109136972792366081924167989292394816281152819926760128154910693094834106805079835436920386264437693379549682275986648197929611872313821594777064834980831030843409532892759188074582182418808680554268706296262089537797819074674893551931477444940630876253543719352065195515389048273314335012996641448287997244790614299
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 62 of the certificate chain of a 2,022-digit prime (159 intermediate primes).

Certified number2,022-digit prime
Certificatedownload
Certificate chainshow step 62 of 159

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009077671141 --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":1100000009077671141},"decimal":true,"detail":2}}'