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 #1100000009072283145 967 digits created 2026-08-11

Value

1981388778220390812302833358298267414248280808631852687413082735268666840191226680634559247621692016695394759857314120608820716604501299303683969666688943663192594484856765441039708280379365061207126414726281920135715424417711676191973880443964083728952231390373649774904146884280373607291171153258426202436053012600286126744583886753663427036404111578620438845538610469838331040333929221339639076805904849822057340019703045943011038545425959604308132030784869472131967220254524754272962402149324398352399038448091683265130926017166756397362871832736002791543709293337348489451732792964868364564696304621481171715786481980634509738147830993820196700861462558688631161903565962971207964767263141572954367210679219466672207187580727894969603758268414761902067041756938488680544231742171693793041955294531357831602941622444739183453453667810191606287390835817506735147319892750825352104954844975820713184301454065379958370377290117640247244476851109937905381698230135549
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 96 of the certificate chain of a 2,113-digit prime (172 intermediate primes).

Certified number2,113-digit prime
Certificatedownload
Certificate chainshow step 96 of 172

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009072283145 --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":1100000009072283145},"decimal":true,"detail":2}}'