factordbrpc · fdb
Sign in
>
?

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 #1100000008766976187 2,538 digits created 2026-04-21

Value

207162825947367392752688740337750576593900270127426548010383022464020213536809616534351899685166222909817937603505538966487348490375233060317321920902511916920624976355561460053242029140276834094220895886285944566582444939028779365852666199958551171135442779467486229241036724572786858227229496061408775901644095468029678450865890578450555532398967801039492675134393064486879489588848774854115044302322431649453340143477337274451454226893750864833321300316212410272115281970156586701544409467104844675542668850054502035761388819032093100704773262404434747663970602622905204595867792509053069714173968724801493597334356855396431042524456189877487414492314527565340867891168215300152274552072560425902068026400088847191058331392085263368246397401317855810093154933433882862756438359226693671750399088501266160666209336504444886064082174756634601108281064921167769116239882548822932407786979140484961055960620175115363463363880814090760513146691658509367147173457995520708796662549639380790159055882895053610273478198728217808316382457268490128635908675510398462485083892788095579074836690111570958639803079781108428288599782197980704211778122062765869304890989420149361177443746614073917916030202163066885377708765229515122254232750289445339606513254779412768647426966318604228309532472566842820940052931904848117985609846642093746863334317357283730086623063107102413599985880624582612070225920896768469216147162315228916230173839328986353514788685858583949990875128754990441049423134981980302447328135979520369431912165198532943372888253576180752181538919505732443976559004731265724966449429040205067411867490571658992972000478782902058112801981210021223019930976569688805897257429803571972493440930111160112008241132182401036250531312046864513765603744315138807905892891688969578543698784190183342006402528737262391402474548117401940740614523770081531873660375305880831602126799424613346637342498625305319340335515522706412605477856852464531357179532285510545642128487623511677527066186620008357945008818429830328076369335611513393469246903698843806296855875996055765056692530739007701159613631299395429509234586425135024639840556375910296415012601475196531752793107605905057006101084906767077929625467078192741687499558115397532715931371892509256792888344127775180715395280208657020329146492097043851382082336733465372940352463595603352596285793762130290889555649536971854940036817661150163149562934495795910704175756659890229622050561515899388542450664747051457567072542372246129211014186161527250390111176626292892255603227056777014571
Permalink
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 38 of the certificate chain of a 3,127-digit prime (189 intermediate primes).

Certified number3,127-digit prime
Certificatedownload
Certificate chainshow step 38 of 189

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008766976187 --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":1100000008766976187},"decimal":true,"detail":2}}'