factordbrpc · fdb
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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 #1100000009008064521 1,859 digits created 2026-07-27

Value

61426035660666996764853242445753260318743721288793372085684543731327306666086603001877076352007510511556711846834461651234504124673188489222016235823846711590548523315586865256310198410778880507126238697149144910732546776932174009003376470605523965521703845085489240975063973403615284182956999181774278607715474806397285697892146768632928591640292495333373274720458761381428035912771457433123251992393250578109117599219743632902127651983733425074567690277276269945925577609008587482861436897362524065347229920681461075282434731398071427117448496227691466534930677364918494509342376708804968636688400387252593410295230759959530412258965044880416552217972120233015083998299693713924693554925961993065608528044728576313798311567005117362589256767904049835933298922112105929401430992233285395645720499801001149143372816008892901561048068403269736748654835720195483006323430209502975466766520683224880800936984012352667392550462153544832269292626326275124155224237939377997923047870505729471247981028352771863898223593654486705714406104189766659756908007958026562299792309394660269912079563400201714667961593739475583106148030624640224250228751579743274230122174063743128234391137898411478501663160955353255245840953006956205506478288809320377030570229926885416059987516038950046313672204966556651507142914545271960581988865838082619187292139403734766742929870830548833299487499858040398799038013023858093565642880208916800273993653376679519262751358670413533552708635430716501302666524648797476825809012748988977941563697648251997211483446311482150690194037970519218432374295453413193426825168898479655354656050308400367961114409011557178856699422921784850295895297678855626925568221874769483198998354080576065526203590111429722211217744152872799706370708768641774584212050238164405337511057564735412140943245950766329454721388304623723079815909401627533923844617
term 3696^521+521
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Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (1,859 digits).

Certificatedownload
Certificate chainshow steps
Uploaded byA.C.

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009008064521 --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":1100000009008064521},"decimal":true,"detail":2}}'