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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 #1100000009047525733 1,068 digits created 2026-08-05

Value

128410109919962662066085185519208107151533722161407031455972053536838892820218993550606934182959955957824910353791338762846325233698011848875816910320346445762656516044392583464479383662875126840376292397773571761914092183988254404575101710213353161855461661625198907223874328341670586970470934933381082004465800838927634512708407729193588854038773306929213364861960887310575919058247852722151003455741039437148337741394329296607922896074204335529505388643480544655549691256427148313290167488506720406530585808066230786558237697911821941899004040820152272323730140444419728795154681331825008169756131910222240546964516933712610298134640687163423122259625942061149417023543394163627387786558053724431891813064080921614321792650338632148522246263507165127998525515012618163559154021589671559089689060523500928199986104311580938044921016184705513894360087099881963701573209728462315105369965661839721602795922021646722478032599307316716546303499389035459162095209954956761064928685963560246792645334822943190253528221513257503574109225704497442408958779617218433187190227
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 35 of the certificate chain of a 1,460-digit prime (116 intermediate primes).

Certified number1,460-digit prime
Certificatedownload
Certificate chainshow step 35 of 116

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047525733 --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":1100000009047525733},"decimal":true,"detail":2}}'