factordbrpc · fdb
Sign in
>
?

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 #1100000009040390973 958 digits created 2026-08-02

Value

7521840520980624382679264018413755800246018110977320762313233594738657698434478336843533812916797453806831505889797938863243856555229718544482646762763548284470394331522683497124286839815960801423437043586348236714948680536471261335338880375696504251678110386471694768137455610470218018818747767576303609502521505774987860745914851121534483118077829778468006070657754450052135842372990018758354670764670538937318250281476623362920047642654530635016981292207568102819311176811598218488662178724313057694116324099065884511552311516953710986523188134215339608241909389096062681047969682253720018137181470233418994023180619701658390050597831668928812600286241020276799413750256867839256281138365260288092340104059473733904134620551298103147727725823480949705074030540524770868845795757461271658604061689860124431478540635537726686439770021892668639702066113642363703816809194613686989652921945930648138843993360326628408360716715032448160508538914284700077822199
Permalink
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 28 of the certificate chain of a 1,264-digit prime (107 intermediate primes).

Certified number1,264-digit prime
Certificatedownload
Certificate chainshow step 28 of 107

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040390973 --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":1100000009040390973},"decimal":true,"detail":2}}'