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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 #1100000009078573846 1,556 digits created 2026-08-12

Value

16103605469131639968459304620608801013734098703888783648342584648083595394623741660263500862720253024273174003370815390881565316144875213322823960196093423880269699033518323954304850057262845040644418798947403469773479261957159238297277611854844098126073701230692533300994735454119900734209800064008931375661938385973977113655794602536833079458271848340267449890668314211865248210881888662150821088588223070927838452118019872438652362136174487196894607124921760076717571601752495107037152673137358623460826207094967677989999523429673917952232869737909204648876314266948316985078781072870153038344616175943617495387521805662760363636372874117000361842380069999616786169598547377029241046005931038725725814587028315427063840351332416625157796668804923768600666602826031333822091744413120839817568936971221094801393050703109670663929265517721047772168866365046902397961517280758426541359175876606577238972204846767565835604149327135477437359688830978610912717648730917067829696664799202784788806592691663042944940574837677372556028781707758819994845924254661816225114128053893471523466031302448106918175585820513443895213083539897627740024122176735331835037285733885336772816587679287687323893008687558525844387961874674566842520104530709595717184285888667430387660956946267321207474078249297533565711863754540046421971744495317178869834926207193669401753355754805807152187188317133203548745423287261179550676536944261054110654768953855615482388044709927612056686975641569692670374977063554199818932401026223908273451490672529953366356991830136144039635472019
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 93 of the certificate chain of a 2,671-digit prime (204 intermediate primes).

Certified number2,671-digit prime
Certificatedownload
Certificate chainshow step 93 of 204

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009078573846 --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":1100000009078573846},"decimal":true,"detail":2}}'