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 #1100000009083570875 939 digits created 2026-08-14

Value

125374115551307420213620347079238514953839776622196701132304663215216085725730113007742369097507584735055718204465630400752306459328753179468036002004093962869585315922662469635041993431028226722660019299624397213193418920266217266955273355759254785056599016790621885705767241893421305405085076003651738562024368853869563606092221760411649175307068389880664273117050979426892199370438935578380675880046879169097725551161716851641032374757031672594691500449201526585477695422959300556838503510988523002814092830395259162051250340048362436470359854894786912926871361740863512786899231527424517153030777987000121533720758993737759769232657238592472503180441265570325316467109294976448066774260363042711801067383937951387107582286629038588040771994124315821120847162365349177508479624045468264465084818604946842712642410855379404774817109306960911105307102527622033227579285646986621295199897983566967301851069427091738367258065836316628067991
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 77 of the certificate chain of a 1,891-digit prime (153 intermediate primes).

Certified number1,891-digit prime
Certificatedownload
Certificate chainshow step 77 of 153

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009083570875 --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":1100000009083570875},"decimal":true,"detail":2}}'