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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 #1100000009029044849 905 digits created 2026-07-31

Value

18311829718617042415480552579386046938863862296217855876546834558666154032522078762805348024727393596147316577936781759617636643995739996119512729538022603011280671296110253597102383875512622532959330560180163945300706032914221037713042718832156012330919997065641498687380983439885129987947593664630552344963627340449196346109519558064717762609978269442202554564073495215133554596836117324716057437921540664861967750331712133920707367389176834350312207801040896026480589603046005969346779683434170573925155997149409881353119272203173333622936867844569458313653653394830685452439333807968476101130457086572336890941302183312112888737931960474497910875426729557567355029932800470848280341156952268610872446088138880600810941011623411981846519699526810147278998594702281036254209664895508275227261413579239138168669446248534118881010267199683355170125994059744977624008006983267309975970905629304385517768783
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 32 of the certificate chain of a 1,232-digit prime (102 intermediate primes).

Certified number1,232-digit prime
Certificatedownload
Certificate chainshow step 32 of 102

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009029044849 --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":1100000009029044849},"decimal":true,"detail":2}}'