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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 #1100000009075005373 1,759 digits created 2026-08-11

Value

1360697506748891772801900960029023944702025934030343310074259350386590910144269432920375507960373443406501872861315024691770936523880407458348787923549025582610760511684468541872306700099877882604297815392815340042868242127646010546243653623017367778171814043777122310853616543384152866206140013705066841332384779028596848380865758285913627587256442123808654149673683145911038822806145149456408176089494449798409049105949038277578316545059582562103754594925326040414132897507099958122497225736176342094105821945862033187228337386309610437803566470381672161475248961835506883362788473062984557290259510291676729389493540151260529559155497071405596198621526342877397633739182975505555005025339275280253928923688526824159195618989617161456432128992101393907750238526818870480067997200671370643012934635425438318108808386552221745058657171978887683039186271487241019099463607309663140289368082361775996847020710898570838474939133877084186918601135949199135966446780026984845985383205773979691526052880768248932812372791581671824266599357461259746704776673737735223318096351504843353768720747923385215025457342485140726002821369770856262767577231329310734101275129082370375234732555559071153326479067536676178210994965393078117416822423728778313132256037340386897954903634169244280765166924049622725232088889537618223267007188563726605775013246892210276092645929099883261988267722995180965107739903289236298323051147878378038586620492639604747799371317006383824123299723719719647452090171436762924092975752183106088841878371708617374060396326562086119822831609145995494920804159345487963614424123832745101628040942227511224432953017716011298379106770586889903127761950555500205079818305958131020527747331811125221107192020136164955154142880548850944553164858528191
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 4 of the certificate chain of a 1,797-digit prime (143 intermediate primes).

Certified number1,797-digit prime
Certificatedownload
Certificate chainshow step 4 of 143

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009075005373 --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":1100000009075005373},"decimal":true,"detail":2}}'