factordbrpc · fdb
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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 #1100000009040166966 758 digits created 2026-08-02

Value

42946550256500003222155435777371026661159069598445325633451495317147580683429635326346629250034637973644685341442460370492797370994155010797848286068907220106786609560887973340094470122290185497352927614567482451143371584438441361133167187725910835386095880710879465572554169130360480849069516791692074013086625073309447064722506995733443699483616475281462128818603182906670129175957363160974281048614203014944405534132724022142141393956957129772660861079351300209066004455189491812759899900100126559903880397228658781857096431097211259876173731488487385461671630582062197705988607432960291693488679477658517835842650013138827526417005947232392280992348591243295573939532581895033818227600458415068041154762592832136093926676374638245283533705708918276103303
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 42 of the certificate chain of a 1,258-digit prime (99 intermediate primes).

Certified number1,258-digit prime
Certificatedownload
Certificate chainshow step 42 of 99

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040166966 --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":1100000009040166966},"decimal":true,"detail":2}}'