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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 #1100000009053516912 1,182 digits created 2026-08-07

Value

222654502893614161267719248908275270909277602939151849787962990167672667341475290761607127931676709013756991219310370539510478278410246767395846720303066784289610319167815386880179609799858643650913308667002233913506531046461921251996135743611714427006641536283644262460230138491449989120642264326212553170436219053502019491968119359622470063983864834554437231846939983517151766625000658693823311496581796648944831641696590086348358140487366342050561615627401324544816226798907157558954940960603093545672172210717160470272650841687706095733692545733973472831482845440554350156912559711369522249585082231345218618669555068628431308626104736109738086080150258022648534941964060387735837420506172233254217757874977728083357225326056660243760146199103376313909817876516049230213768865295531235797141733704592615659877010154619518482882516410827789676269958494711123755581344853319040043652375407474889691909468835820097374222793753909516853002677120473905645039118472751585650253354946981721135239919841003870769369168314748408065094402480997256321847745955087063280870648754068672623838085904101932014134900079061369429920848595491485946696921521626481180216112036353680737508854486251
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 35 of the certificate chain of a 1,604-digit prime (121 intermediate primes).

Certified number1,604-digit prime
Certificatedownload
Certificate chainshow step 35 of 121

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053516912 --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":1100000009053516912},"decimal":true,"detail":2}}'