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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 #1100000009037226123 1,203 digits created 2026-08-02

Value

302030651499239782474624752025875844099640371286410431116201796185429435156520391509156041285871117267042445430743439847025374104513525219565857108851565599460286490528204774651181052077891239001988806442987494049022641046142153238292026533344544990086079954433096168332457575090557414535796245553377022325709560088227219882496823158530315040049810366660146965686904637007609634155123987978694369760446332685104155454099865864432214962924987543505454215079754676979043719022329794247978200099870259808393711020358907181051041684066695755697834728755040835246619950249883179355805584652995091061252605158822340034040568879407449736133542910163644834730986955030560635290298085619347319008239701394076337944758897219788278199787653046788924866675460592322450996374743671152878451342085780266281033579466076228544901624808354338627480125938308867149464235370150417573824120728110097070812410547819289553286941768770833797150795488949211688997958927699141623976059951624912277954793098498167933044596306070899948085502287183180160249786605429467594069679166282687029173440121042446334980486620198704995532473503339103414751841182319865036040591053264582920887802743953792512578753883628332358185182727298161
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 4 of the certificate chain of a 1,243-digit prime (104 intermediate primes).

Certified number1,243-digit prime
Certificatedownload
Certificate chainshow step 4 of 104

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009037226123 --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":1100000009037226123},"decimal":true,"detail":2}}'