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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 #1100000009131611930 2,498 digits created 2026-09-03

Value

98335172253014509740367332700072702637763057107257760716649693571879530925141364455813207487135092482417519935950711036372231909042622500813506897162801246962430218969088307672811882490608825569761219585176807941392469116550692104893954238023573118241865344940172630237221370891926780379910033639287265275410399960844318517434693025182576288920598986228846980523183302473043247338583263173937833865658981256764006311445950071627216689139600951437846960962269091211971399846809191663595418034499289074147278697187344310732791265533671046635274213722974335791653591129685459912244565911668948801399969067788874208520446144705542225882512981447698509525784833906049667292227236614666409722502080588889406849424973443308452117133305205719746579571468766727222272177150750970183421370923114484282218632416484379696631956248439923057933662938807261405603787092929941690711927802838953673650917122477567175230332270235069245338375464116753068655706991131177675147287476643100623293948179536925130644281288599648158730392607124884018930787392913610147812334925595191428763879880692367924169674489114184350171409566853708715267181795142116819119666417110827668965874581625086193105613252091785273878016358907843179782612728792267597870927734781211097966409857501044657060937075635155883544798835366292423885215579536990638565646519408400215565707656936179844115794809187245290303681743655111486678837743034069364940034128367779504357170257357619073135193023852547095882611288767547799084446968633835591243440403013206254174359978712594089442619236249558210565837056152663831046879989361052150691590135720812243958854683012030662722803945263531251459504603973306930139631592238084039646059273921224509926973144133064621084778237937227494218992100375563414991239914770808240262936394736546977659725770724970345627919557823642448006024773683312113165477919731238131801851464811862963993491580353665926616758087653717923439090051985366122837323909060665498504527358173788937112905405680695868163325322365576424077111666971051813641976524604933729820014660042423454945587378700447848009751562980229182951417215538924852548243181396822760396690316429560356534330253338891710023229507028382034019447702272151229258496211883855518783581787012346947032135732097425979054329418220015738664276326370558379133059193571590118986538623198604396838372980993395319481165431303387476540665436088696416382715026011401172029769879117621451286520551843819472411452132929726080145789671617204387254371602161926369310496898964187
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 65 of the certificate chain of a 3,162-digit prime (313 intermediate primes).

Certified number3,162-digit prime
Certificatedownload
Certificate chainshow step 65 of 313

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009131611930 --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":1100000009131611930},"decimal":true,"detail":2}}'