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 #1100000009041887127 705 digits created 2026-08-03

Value

778976153621888249628615878122780755235228006222575535131011965371711316354353432457412317109760970583319643903459851350816839308276472145293327148578247140219298016007842923938660840815011345215901140570523066901629568736738780482568916105864866122950813052444865530460129713557910295902206896265202457052722804730222058449234664323725034934142785933138204446701869986889128135016966118366633959615928246999828259813968519972362817045405249816862215946211255773562980055875675123728896895101549933116712527154612414715700846226054744717972853298586213895020011665560929655160958462344516523003821040920632681871647534848999791306186006290471597874174741557887105886831070844075965645342817783895409400537
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 54 of the certificate chain of a 1,306-digit prime (111 intermediate primes).

Certified number1,306-digit prime
Certificatedownload
Certificate chainshow step 54 of 111

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009041887127 --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":1100000009041887127},"decimal":true,"detail":2}}'