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 #1100000009042340742 867 digits created 2026-08-03

Value

940887612175621062729778962905987491288997461805724028412212935623318424666790161665057076388852081592089422031374995298372807086872457905945184815139943768426434874020085906368130265100629767232752850612441961596639406756270646592407352540302398456878570760010354629406701332311379656544637346498073419985023521424538503422625515683624185631515745297033441406829753041508646644462768028855845827400914562783459925383703231844336018045369832018195627038900126054009006979824320530148397362579493809829334414123134789195620244056881835000991251530584350386463766733490131892757802397488805603492994466202262407086573994948819732137340894126158952762004552909065813838695051243303933481336540193435858722420012744428882519669311227371890477750829499897425947883579908418540273458757856921805363551684988263472847096500731373901497163306287108701537356353206264588012659
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 44 of the certificate chain of a 1,318-digit prime (114 intermediate primes).

Certified number1,318-digit prime
Certificatedownload
Certificate chainshow step 44 of 114

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009042340742 --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":1100000009042340742},"decimal":true,"detail":2}}'