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 #1100000009115537407 2,150 digits created 2026-08-28

Value

15581782287942733642163579317698720740850087374218278284728000188223296747023531043294565486127555597342085277696288748557610457749010375043778499438466504740682917810884553573645982346516879639480903586488561928878179583952457360754100633596477165616452904388056329704919070731023797463303193774347461809701669303474669700045779991659089836405666948532256357621265034743472711803596325489790057330616356760694292850123758816789588196934167821126701146794608933366447008141671689019037150654354620023333018839333697734646106734213379140013857358196477117883828815184505297831405460641575170541417660790366604477427158868619663170851123535488674352473884761338649936030274606702086634294200520644388816077648470609971687230787523952249670050805119244700240233645007046625356933115387836107322339838653662681177162052253842975906479939496076966319448374450071428068181326439870516048364721182285038363990288254984593805527732349620510907456196998476673545195604682430533453116891659370216988197049252341912134798566257770862545256301913184915881134215749040783943336491227598021491254973741835255725822680105692587045228787597485759811358712046955617200983351390529465222695814591577257460501772116656590634909941010409099258124273473832505875691189924098907210699139567847134867415805654520664095400781933978159686255945402932117179126171435879320096753387406355203458097164894346031715737111497862667604288326815594327635380044763066712642913977675155555142498540081974735841958112688823279157143214422097949192390674940223012224445181700061943486714679130259078583636176474549149969978882666031495013940603740864018219186267162253241346404243941541529151678426994910070050541308844820855203716170327733902684217075979205039825252916316434426141122994335930638121511713189198663687020981395753343488024348639103122091589452954728661075914441208714973153463894268473991741356590636106595780092628367574583360755740307328979916934534601862183707749758373368316321354415862211908181468057598875721525504336618911235130261703988551666097479093331033300634259935647313999590892733833973272456271684372537305646718754069597478934094617362500489400107972279
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 82 of the certificate chain of a 3,016-digit prime (316 intermediate primes).

Certified number3,016-digit prime
Certificatedownload
Certificate chainshow step 82 of 316

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009115537407 --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":1100000009115537407},"decimal":true,"detail":2}}'