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 #1100000009008060942 2,391 digits created 2026-07-27

Value

129120601565747191512018712211169132879372009529605836225347967506431882604457405630119646777309612939319945708032861087380130524876001694652473537886988522470002169171748134587413745008079489671163216867170313129420156554285590051085584890874068919492569444433803053493208503015008064272862698283571280629496700245614727681369129276433180617703049190256922213557283109046811193269960506645549559067384641489943148966529419763685123529749353360345911167802584440707567243786840946334484811045996056540661466813140576610033286381802692420762847222353888161064977183534747108145485769484491566870668387720482463318860695764094641563192740456779301645301170562512616594730710626365878052702117286509468134332468904359783526404731725366128526948372629305246172733083494213111519589956478183896582915977866176864571568975985647287347605741274018151220641309506983965945726044776775164924661628862992206350117399659319837851802166355203982155622541837549175015346059128526284154899933829442472716523021572571805725779808338391370093771573533113814665151448658851404858068571932260618964213350721920565507905306144905099931621059480883895245000115189342367166261755287047043605391230754182268044463584803217651690851763760385405520293031292061896967470675083201599460935912975164402735534213761265121716487265230432424562364726647760664095091829883687876474545843043561231699706567320380258956289181959346128028939060211870120481275579320800175395983475739520636364255908315387093719785511767749828359802000247255639616193324082513355353220536877691380802351168680181290106947146176841213556574948857242904958704916398348078928501668288088928488281582944418500751667030198280822208064677703369677396794336471226310261610461769888415422855208826562747513722208642287777137034197803581431306032985449761935358641770929144758358630624256617623595122510709718784029371262754107865253099635895092598790552633497905473876798167543020695675946772844098372969798506842176478674318474734256668854880698270548646622931654781268204680368887536604915513744629113117701698065142603920393069825136560724254329203798345160788053748315334850482464294756991168046130482682444070023229770729355971717370059127095821760942829562913127123743291252526352732240799351798072836920717999603434012617532407179278983484063464572136385982010029091964013756904551819284441227163456793041251958956025950655432533916695213900481
term 2456^705+705
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Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (2,391 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:1100000009008060942 --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":1100000009008060942},"decimal":true,"detail":2}}'