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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 #1100000009077203467 1,244 digits created 2026-08-11

Value

15336530517079585727434416904459023460809782462809307855777940172345395922107549138154802269130598330001483462570792218536392506065208418393795437328997437835894821259895848734276198685968609810571908082478392548857474319179751683964105016359091935475988923222119516341993625637381707401126529725819635384230259011550683588420664751263969693687592330577579798715919575505504532059294457479799808161874852735015139569200880826091820998776071856886177604504405991458944661808037338305211580147279633602655097289752897855568284407873146240378583773381732980833350272207194876514930095207275871839133601564409065249708635039121636767568701367925782547225041177351438725486037790607966969739795395109223012413861176295491405967355119537482479438772722877697593004105979481420633758905459252780911428153564820030126955427739490239881418377484748534255752083824696485322712662966265517015698563157521041978035136206905208822329453213079517279752150113237735485888054781745246674996482147651437780477488359404801324265609347494135147721738169850145291152251102318237494104863535552960817333979238889161827830679912326417485298259333451970660725877228748712922901096093293998647180102812072970292801120639846090964793484485517222295804644255950855613929
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 52 of the certificate chain of a 1,828-digit prime (145 intermediate primes).

Certified number1,828-digit prime
Certificatedownload
Certificate chainshow step 52 of 145

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009077203467 --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":1100000009077203467},"decimal":true,"detail":2}}'