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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 #1100000009048646655 1,104 digits created 2026-08-05

Value

244244881515809349069956165643023393551973593719330886842064545884118047640633804421335150871503168033266901275822424595980898923182069630942193384548936741716411270565248015285834791114955379482756751640346977967212396227789853830737221470008343473436784238569121098046098730698634719876126022414469500666712632120568125181185703116085065033991206322551489571737136298382044806757400185935287929416589571620015919239203669935776413191158801483723444505591708284838573909598873190285891140439993048662217393075495637964021926017242320804560314066405925419279393269106001362148973257003651402080494720901556100054307729930063283345935901186517581094787904145039170675319514382527449152859528737901247959234591477194844748961612485510790483324562524428644702244552778132698238379722841152666466980467285225201994821174248513619611704223175918172629263914205600921699775014344289495934985254326093638307094204833794750472167933822796350193637203520159595130227058832636333947336944792992089413825823936477456179232754976958628215475296923738776857286472596601106040242619862067262346479208888654948499926563
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 36 of the certificate chain of a 1,499-digit prime (126 intermediate primes).

Certified number1,499-digit prime
Certificatedownload
Certificate chainshow step 36 of 126

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048646655 --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":1100000009048646655},"decimal":true,"detail":2}}'