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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 #1100000009052879517 972 digits created 2026-08-07

Value

287149137013001756086856308637928752680059750966534702309826958166042719486393972654635655424710224077127644279131747862481128264321552566823186467286582018054172343375596096329932747146708797703053257521282164627465611099615510620756083270388868961760868117795274750706812450119440121080869353243311886893915893346347675737874175918210987616691753615171141425512300227278791616529395858984450573549865951193916408771438513177134448331216520315473578151276320668991052126805978921515414567223010275229140902828922558220826677552781530113445583207531274851089674020228406604640423472863704562521824804105434182674071224878179140567177744033139268388454194850185791692205965341224542942133397162886414936294937685796580881858226737645066906732627688443340334609988289821754700996765131986726814898512558029517980444399465374221558024749993138215678027429232100660571001952849201239210285262663489256418766246393788302734421338097634354596657277176401053710391281429267799277
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 48 of the certificate chain of a 1,597-digit prime (119 intermediate primes).

Certified number1,597-digit prime
Certificatedownload
Certificate chainshow step 48 of 119

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009052879517 --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":1100000009052879517},"decimal":true,"detail":2}}'