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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 #1100000009048783396 1,092 digits created 2026-08-05

Value

918957631358316012312556058842601233973530725438586606880414080907304722871860178853427766711443484437152113879616680540142306398225950264255881432350163258960136197674038216076890536975202271698072667571466625102510749294029296857606028138508080287677858326845405771099662625180810510321165295865887395329503704757021487602612867633517978853138783976625458818381782147954190614254175272873025843700178840023547645041176119340122136596721628648395819315046553682505370413876958864949724877216210123149948008598011125205972585501110887819119456397289152365821581188948654945368015507051948808376045930445989251342967964573296173751494215676838141613012671754126964460022398341868177262652526860045849108240299620551487611085356031104567378711820208575942118117022398600216821145511534043319692295129542485442228248638408968844381176538375655918516315796503428722108006309089893059842889451259356391780923060916849235600327527027451239773333684969112992797750727954269070874884576783084131995534472026630241730132913259651085498766727631948385889995298017682954025228459189074817540174634106903
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 36 of the certificate chain of a 1,503-digit prime (115 intermediate primes).

Certified number1,503-digit prime
Certificatedownload
Certificate chainshow step 36 of 115

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048783396 --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":1100000009048783396},"decimal":true,"detail":2}}'