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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 #1100000009055123695 1,487 digits created 2026-08-08

Value

70491215339188825943517928742491207025604361133293209528149611447549463727482525419712362985236062543800485595536599097053696653964464295712387138959882728513365262787977883923266981521695211941189576626280131262413020894211167840550196878456069776636565697973408178847279843043910951501763472370850689965923979076730238856893717568637433013796009207022711222409357522338621198870218502567067523946105003764810570726101717564924682492387706623082393878767135437046085550267362233341391285614791121690942997889397680889815769456964597177464211340142699376785412949477459578761718116838762409578537192885232688379818212517713762594418064164874117472166367662545745431254697946433013791275860412687008552934104264108496252738636771375573263254041040274449850676754298302800215650896397947570927055305061660615394234645724827530626093675149068336986346972044731335173431857608096236851304669773670343205533582272517832077802097430695534226181384991108994916804136955230772727955230208445075320423407965776053063048845205171665773194337498259379295415219382584333745808641747327118299554724638999344521063567422637500889359371829485033814978598277986411274903521303872817714877639011405670351394772549672031789190482018231713525340179187275802217751726760474472350337960756584260497107315311993261177922389944011483251882640305186418989256903551756018820661484318621170960613006090385706274636999640635250712151522778943583346928360325265720563098060720554004327681706405640886892411791955009
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 80 of the certificate chain of a 2,419-digit prime (185 intermediate primes).

Certified number2,419-digit prime
Certificatedownload
Certificate chainshow step 80 of 185

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055123695 --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":1100000009055123695},"decimal":true,"detail":2}}'