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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 #1100000009063550754 1,685 digits created 2026-08-09

Value

66507687233564669849051195027291466275225454914512372624829799731508224752702767274553040886906636033943116917883205957295002452535662545445870095280306829614771415468311079503723170666573687615013853352012099798399147395030877638396801115075678524971138905385051141418441889419892948834469510323149305163435107495719534392380268578582802596218633168925530037660823811134168023537954672114782261500452475964611810957733290060663587524381972395847289176292998508337776923889552325503069351821189651788075445097780342188904937911537621880207566514779367917656109592233752467485073246540226319862506426937044530166491837267397567714458558032860325823711455475818284227190068995296099511254033644130581051621469462752342260949578112853185308065244751522972071527497275509169061678578204379801211108135433864479700303534003126029089709610189618350230974964673855980123018799067008714828290136715375303755883925001453991432077372443154339449165924895382820208057617739546213190299047068593886714808471608837580421952725737272255237096253409896615665057209438768960383515687207710759187128607454626630882925125968692563381294596907886079845381417200252151578759331258613621363337260226665817885989458861958362020113020458857988366899311192104928640940177120996354971114524351013797978221756158154584281340928130082503096477673159509870447729808970392992641508700054592975326094429062418039891405832600980684990817493574001356888469758877548255072730510160100297231810641251440238463318503000697053850647449684491720075910242535798238099259281099065078281131472500600265613327872961045084110951312334224288385723078915758364869255230133636144418201094811228141171579624806583104011822522605189
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 71 of the certificate chain of a 2,626-digit prime (196 intermediate primes).

Certified number2,626-digit prime
Certificatedownload
Certificate chainshow step 71 of 196

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009063550754 --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":1100000009063550754},"decimal":true,"detail":2}}'