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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 #1100000008676078230 1,060 digits created 2026-03-10

Value

1266395215836325827352637599957125970900433768375149516428446897409482392565264414230623963094718162262218507169094323992280676186494397057551695031893129814354012591489711436502924079708771728544102491043503096079703680021062672768256435820959949741396799307109609385453848586394982801003902141372395015303194570893768276162218790412047349831541504087905238405309406645741506267596434442631786577685342768028709531410026381216939118318379462268899146181509564944386940704603505309345174248479555291758046275310021358384644722986531118099059293584843747736347517369773366287289866048182976915421629001574341208726073534467694031948885638557321443005428973489875413478971508184184034885542892280582670042515970775184594033607819193806206109183138817036645357795388927542262774548549127367220912318769599119000981738597939099391338057200281820193874772083074003359441321053073027476438031997079600718079922978306100096052629773962899435218448902475978313622677426628404175963491461786010674144658109572568479073552633857351210928575641464030669976730827994673627
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 20 of the certificate chain of a 1,242-digit prime (136 intermediate primes).

Certified number1,242-digit prime
Certificatedownload
Certificate chainshow step 20 of 136

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676078230 --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":1100000008676078230},"decimal":true,"detail":2}}'