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 #1100000009008067086 2,366 digits created 2026-07-27

Value

31299449725811669734981572877587719909545781671614698088045904839761297386552701152054327699029576388592561494294617508877140404644205610304559743942529453280228965256854431792558639567602433758352719643692042987438969116879482383078536045907971604774796901569654742066447354182851090937881251761542799115175681702605263199309140787278367991829017251925628212612961279692364328515590717568107474269614190049176978019938034683410743201423946010317501825975971782451224789941951740807961828892112144839172338684515341785634968739881790915293588061908212695996576322570580825301658503626097626941030699164228234953553856505414015477988040902042064094068423499489559666455056062963114686212282551451446185445540293722468546563824171027565860505009956038797288093292257929463143798629763231133179524930678363709936972397557203169434600385374450926268225074150417154965183156730466217201929017278723322945244749028272944893015250574875905079988055239693666314241854171150655300718732972322690735637362558147638875753340394338275859841888581284731438904129202188258843207662858026429301585643043025381222025182660124654027178157021411649546494933014426638002939735721375163120814432925340208406614233326112160434333762790810872224562742280025011077619884966752695031843609415246152662921820076819976882367752659244715168313397986747201927447450158891744304325421142015813539466905806580348285371031994332204909888860394426401306893723530642604237813814802158287340581595633197004437466611573601148175508353796115814628297941591724378956651188101063536197000900982912664950170537606538238352722707743624128091387109545354597474602857268802068115370911702426326337730362794339014108675752688770504985252018907479630750544978263700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000647
term 4530^647+647
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Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (2,366 digits).

Certificatedownload
Certificate chainshow steps
Uploaded byA.C.

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009008067086 --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":1100000009008067086},"decimal":true,"detail":2}}'