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 #1100000009122750665 1,972 digits created 2026-08-30

Value

7289711031267389465514560830898575536157479846728215838784709501121051993800349129667130423904182884787457608171294180234163018803643600048460759543919816124937326397582556698990890108330111636890833207711951630795935517035866337093634811948750304950979542384625294314910504751443720693332079025313360135098267045738743366664612656673033113868587904284873776743935646704187728909419150098805015330230219864552772572110398997354296734637227010997526817650744520518306458961432273955397071768206768336993408354820883178195443219475572622566288176868779836419575317587173275709279948097474343885362863667054816040352011634342117117011438986673838940978959555779610547357556882265316511085527046494622069927614544268660137134400828244417077810264663032534041096532790106998973730628072313211473501924041174730789323431698617864399617628315984489041010665280380876965072865232477413252873232586256926443951070259169526543777403483841888517770278155020963333411065805193742450596146126573044913605569154222715473291103539583637111884779647231746368995454350575388361968725674377830076546490627155446284451957436549439519976322776913882363185579173528010228401794030198122133816999814836980502072717230430470197546088515755236042114105187255610806977821164398871555280364715044983300643351162986759016276502837118745345119304295449969980432014250655989722729415960505374253695083989928307640776695602028962588295377324794449337220650314926976771688010205671289350744582361433715992602129452208745661544527090312504998209737011607082006275529035116229063354240288901088771021091514829898588074500925367806742514956518657370760195889912871869414404599504616295333153178957167994996778620660833006421589577494683032878152432482847235890671790277680301035528376855002075386211754971996462776594539220180668762691053874069950985670650178325450376812333301474291797158053249764619124838093692123880955029662189086689462751660728828781836718324319812119303268335616903456925463606819479
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 27 of the certificate chain of a 2,256-digit prime (240 intermediate primes).

Certified number2,256-digit prime
Certificatedownload
Certificate chainshow step 27 of 240

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009122750665 --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":1100000009122750665},"decimal":true,"detail":2}}'