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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 #1100000009053808958 1,475 digits created 2026-08-07

Value

16707097471952211258220517494287268608267054208353113445796235342486143175078212622653575318971221762131066703946712189919911049068617540561075588735569791787316924331992532822708093069114831927912534687610947741882130057369482834139941413553439986208641835348665054321344580085329227352513906831407676740808268522521070878522652342973846064678439750934434485741930567300247991322167306953186678669275154905468729619272822901367372733042063010553963523150049588373760679467295411320841494663833490542315701078030050378348844349492518317867780985279022532390015269054812345350242931041373930139445362965256002482978096520993862073136831981646490236776351088417982617333333069618167315553101466959796790754079860352039689483887617837117877315083769658398095619365579570691799226273677309675896697658991128147432065176070881439506284216489832261741366716447350560127197379997801926004391678910499662052013022049414144355058470324769437911453938992157998028572688644310615805191518217121960623206158214197309499582451660340034257028572098188814633446089601444826996339940784103718162184690107081455808267766331750411751701346949943785296874612022085143718340975960472388552808371635754647152432938685343031501595838784363979755475076294393026673160040277519772395595486923424239099079889652905021680152365075663772644839536424517805406987389025798661039754510481131620100924745525851885224775930894605011553200034650644539333006470732786902619611506004146779034631610527669262117
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 67 of the certificate chain of a 2,205-digit prime (172 intermediate primes).

Certified number2,205-digit prime
Certificatedownload
Certificate chainshow step 67 of 172

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053808958 --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":1100000009053808958},"decimal":true,"detail":2}}'