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 #1100000008682860831 2,841 digits created 2026-03-13

Value

668428704293399172129384173448816256383167068055085881791067118280086708078604364318600175021934391268901561155758754515312000711353624293740585843763194093569711654512189017228965842693788457353068557387732685069292669740626262103223871247746030138566184210106925962032123619498718491144289986510131139482799293104544515811859610043455952103096720265867978868612918393241830901208932310889788794070437533352887069175060061562664733934356236515983155012965323411723399534876236927302870556861681137110671886430899992107070473533201501256656168374931303130103569292307248632003738732159832545632147813519745721378044222729452238897070375820442190309756115140796512899553815920007875594964696915337607105865783969190879587761838229771583672154389990740488972152456709947416494773887551159302022257516768373971044734548597153900467702348475409608141252998276008123174912020603809424882524233806747593517682918449099021231952397244475310598422948678591282982076339329564365857093280182060409845729815984811806660752605458625746116911039510069107472291709139349421001202434692423527964072039011339980553565578927323134846409495050625543262323134904249964191364115799177329511257369161919994021736523075162446506048562619982444547109122818493312152242394332753953209794534153143908900553769102476445912710200198335152940205479975420890492274408590563202310041560190040953036066651896326944307500329980614132734232103587748388354856486007189705793441052757502802119502787180740984124358143674484551039654318808635661746338508924308503975116223203234727964161722613674168822003940517486079678660085410091117801605172635646238364532111817862085653689967563945637827370686697114652635413044062000780632925584128129950720590606243476113261967474412055803141020248876325359244067591395128242593222392466029563383378700300625078888985047626091831831465444970215559237686427127864970737588952288994355125961121989318406232610845742934273256962132807502818585335253780797112081089293293210209979035123340543416168193770237366470990155562890786566105394673184210091778032561323836561836420255486642696580110917453416880755530757289404715711975286598836838747835934920586430983770000200156050897610679317648046641495120167534247033139557967916822003048696688886871034874859763914964078917860493626970140708113655832138695526705195816412529298204854666672087003741966486255351025769325473706314928204440365756701868274045210653078427671738269989181576579676034482285728418510409627716335102616106004163902483145145295328390470615071085860133998337037683752185681242065442028356637003231795277008128175039823247290663464885874484061318223086579370738632718354177739050585920865143099166564758525791053404687012899315198564188283289178194276577589666460235507727136805621330616123300489856719608116943566552786598268512348234790694616181207863905877887295100581
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 10 of the certificate chain of a 2,949-digit prime (230 intermediate primes).

Certified number2,949-digit prime
Certificatedownload
Certificate chainshow step 10 of 230

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008682860831 --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":1100000008682860831},"decimal":true,"detail":2}}'