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 #1100000009076156708 706 digits created 2026-08-11

Value

1558736079955180675356419202621580833411977353111790351607877903027703251173143657635217580936932121084362963033564384339670561312134731328979237875549653689428074942517069698918126325165625040347870452741321452733059284055049143991542916989873037105847338167491153587271635717029110810323187086332667847637233937329669392002905907050164821262132428908946459927230164149182010504551041182265630826267258492271875142602435517910635486126350145079496618760941705312086058815269393947828054092483198719645514868653442278307557142278505123803182833067324042617300897659686834505237160494083648441169003941630570297050274472919474518157033752663775009974919274927883650021210245944829636732263255574765559508291
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 95 of the certificate chain of a 1,812-digit prime (148 intermediate primes).

Certified number1,812-digit prime
Certificatedownload
Certificate chainshow step 95 of 148

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009076156708 --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":1100000009076156708},"decimal":true,"detail":2}}'