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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 #1100000008678589702 1,129 digits created 2026-03-11

Value

1273466248306385318524480418737670429836168474913594971683154423166623094216164213816613602061326664927300545944286816671292211776154858367887641798827619551393456244386733865094679250602992252768009198784820830321180152836179932540320043276296100482995036809650301969420245517477700121454269787438691239588355348000204999159500719690195061759585153807826623216992269737053218793264154535476581345629572376983428074981119634706132543992233284293986234831323080148913638897593422173434869299911349060335630679684221835083562240094533070490046321496830872104015878663164323704159168098871093369331240692209449952631944815300256876253050950227619081616762912204679349373813660404000679962623456459720671796781870019233064391559187263543706686077399302407794143372660537311054521252518027523137911640010605856120322383656776996258596281043963816411893621304761365522232955185625751711071611249261870425558851964743588160284052111491222315924899311185119727784150663414283004044266112790186434077161867110747055308197235484607206562202583711396007561094947536146087147552126553589726603898849507461687100685285454531997251633418874147
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 66 of the certificate chain of a 2,096-digit prime (140 intermediate primes).

Certified number2,096-digit prime
Certificatedownload
Certificate chainshow step 66 of 140

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008678589702 --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":1100000008678589702},"decimal":true,"detail":2}}'