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 #1100000008678603015 965 digits created 2026-03-11

Value

90878405105889427195993435541229424361850213076222990263762222465897269392435889391710216299205740459779240329901735254355929290340990182002776275106627641441384323970786217361524494790853047040149344442553320272513552582421884140427781549123559203085300358319656376638791169581593964887445218647492032310014104863174949532633182271508190767652377226514427510603156097248088991532577251296409936972979850902079749703327375013488331036953956436784340777297196522759193756051108950526110415810594196911218304999525574788334919275452581925313749035981179297085968269221319734652525503530148493643139692386646710578894366910269678746718548602989302335665708146882670701067839136648660036418971461670545433308743783611139098092758945559925554833383687327360811090859908785901050143440422581045745025690664974400742019716266679530795592557417503933564426426307018117478545816964485138237907990405295574412021338310648802160781202814054352486769478601522122891418605313821
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 96 of the certificate chain of a 2,250-digit prime (156 intermediate primes).

Certified number2,250-digit prime
Certificatedownload
Certificate chainshow step 96 of 156

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008678603015 --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":1100000008678603015},"decimal":true,"detail":2}}'