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 #1100000009041795211 695 digits created 2026-08-03

Value

19825435966351683585655139177499154770478908576991496690637095550330090718357387157388962359749164550715391736768489302596732009975496560849524948690533339830872818842304457165001256004508615080872155954891489444636939231984597425603195846272101410358901737251602497674745678330704914500355578676311200294976893697860549510337720598149591786061161454908354960945314380418504291019901075702720972627771470769330698043094730997060280912585746222743940014939318296390338689818614361081050742432014397227042283561220720706794481161712889328939995045027940588998400153938007786889033983924773419883089982322361350355380178277662229027081818567345412294525467266257293264571854617248074223424340099377
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 56 of the certificate chain of a 1,302-digit prime (114 intermediate primes).

Certified number1,302-digit prime
Certificatedownload
Certificate chainshow step 56 of 114

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009041795211 --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":1100000009041795211},"decimal":true,"detail":2}}'