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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 #1100000009064580057 1,243 digits created 2026-08-09

Value

1912663611869833225665194669231058135731824470888874312514416509944949468133099733383780474338160595986521808491208248882319168165806926667568021438419371193574507723042936928461139705845598810590710357526214096398423599167942284775624372137554491237033149703876885969002672845588721196855227782095039860647396026753318646428990242305685075645422636820599128609111250891283934288796441241997846138816276740503169911832521101214655634010075792412122480436690285695424871391457288983671983969423316011171199137479974463876164717178548740095676897625866468075639610640697057301135091137566015782680922671197711370925284187119568869327518814882170865996771587649660416476562950121862734517768847077820208252236739045028874014972050522731619727930200767259310099784107228956483019685891616463385871625185149491831611651963152258601914175301561592831415057985055550181735897256461878695525463244204170752880654361106064873018960996481966843187657072904459597163436407568828524368297144187259714148610291524173890852831328498737712560815005389866136285649270278120090690482210049163157544100789713593580011565257291859586094281257729093414325297186114782005054199310729664780011560733755947483414249338154501233632661735896798607152385724625132888209
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 99 of the certificate chain of a 2,573-digit prime (194 intermediate primes).

Certified number2,573-digit prime
Certificatedownload
Certificate chainshow step 99 of 194

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009064580057 --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":1100000009064580057},"decimal":true,"detail":2}}'