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 #1100000009044564678 405 digits created 2026-08-04

Value

157664604700051633293245324169416078843109217353838233556848090958252056540695391106778543751298905723386634773799725962094167854072857180698287616307994371133779960035962263880263688991887142107972401707937805391438963382315045989397733292994717265876575560966925778456332659834772643156920797430827912916867829807232897710290565014499385437525289101228558338996708658760176266023369073802292761157871651
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 87 of the certificate chain of a 1,401-digit prime (117 intermediate primes).

Certified number1,401-digit prime
Certificatedownload
Certificate chainshow step 87 of 117

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009044564678 --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":1100000009044564678},"decimal":true,"detail":2}}'