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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 #1100000009052923903 1,156 digits created 2026-08-07

Value

1255634056631932276695472447791727234936692873699811358102148394417395283409490417708776971645268227345502843157860983202241906151915509541166189477183532177383156644287721804727856221744160903936440752887924697902027497177184860348837886547717603303209202767154518870094437500304558393213397543590186578306019177767687477648859591598624065029581045463583085012674551202745965099586294062741030670752667112752033554562579308128548910087015826273050430684255366161807014486657551739684432559025297302734631058111292053985716134614830756756337884771429455155185533122791732093085374202772471209062386216291826694902008160107349065506239336010268118634633140960707152325677728951713878545164101320056591965200879858864036466155102416484584355698536074024086606643290032159879322086462913999896982060060856942332781748844628878294317975566350315568949653543727494696618220689670154345236777517691754804205967212958551365387766380626739674567534373834611311097952100009181745615759173010454680374787638533649471425359533239203673943815186924847770139922412123409869521134476670587873837475116422413992204109567539559555627423487310354597373048348839825790490057
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 41 of the certificate chain of a 1,598-digit prime (130 intermediate primes).

Certified number1,598-digit prime
Certificatedownload
Certificate chainshow step 41 of 130

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009052923903 --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":1100000009052923903},"decimal":true,"detail":2}}'