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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 #1100000009066301057 2,320 digits created 2026-08-10

Value

8444072256566393198287995649868953113991247246458615282818191909803952561848154403462949573357856955592892542151307913625781418172021497917329669450581814489400002470350652131609503811130647712655733243101697048785493700268448251729267144840876488768524387401729357186423713030670381732762982958225453408560185196976315878694003040761568352456665190759447272689110488610044060915518663527433558976519725871547011460805547520106875227795021399149113102961136527574555404608758988512986630128300977729357500890001916135992905915326969027588398399788143804227630073877380136105386708994400563656740900741336066825819751527745435382929831768397348351548088570508014676614887239956223540763374093766279181314889958204571461346234714393244458933877511250557989948645801630218221468065001111526873990238538350370622779943885664025528937649204732938981430596453913845872535148023771818703501152270167863603623720855129472335374164706563831602949958928896615559894825835685017064050813541853534978836859992462952890632836131343347215268476259772050902592459237108240124452193137975940268407896953079117250739325768318131118350255778880119371920567920553236377106138493162799713116233266520141200252046053652206515292787476404187575690249068030582662542257436611314354000405502214070299564475238090637741320480970964264871163020302254600545986159789965123910328815191540378852878274652941750818013417442114261364947068188349708727895272959064544813720634641748326019257762754532273731791890077836217521013111529774908191529423420992402264505521555442348562183446213745038156327584725134248367587950152923104783090946591822043282344870766062354067226379888319470306055520057964677742816104640569443207818147741776526790589638930974323821633554597318394101460283358738583299919194662261713755423846594551553502161476433200231216649790191710403886519828288533230255522956273579463999639424874651839640988367170143461362444957013957916162257318926093389950403739386219231931743699354920542246406862118718719770763516759903761829522377673982542106236599377013472390835552127793380879993691689851395218685557119767282514460395842681492570947739896994297445775436698963074960564814276878197225362244511590512840589163614977954130228318671431342815067947035056413238917264158927213224753207633733608189839260150897144975593831150162690951
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 6 of the certificate chain of a 2,399-digit prime (184 intermediate primes).

Certified number2,399-digit prime
Certificatedownload
Certificate chainshow step 6 of 184

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009066301057 --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":1100000009066301057},"decimal":true,"detail":2}}'