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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 #1100000004955685207 726 digits created 2023-10-26

Value

123244501183554939199525051788319954920445336720424292923247199611518185097058571803245124103038050972272401969776823471935999127244671431572769384347149544067113134424363796724490120747917116996939704131230347630054432470203172316195838679908720209205120471819643343219985330855273057899305462407906360339474792127981841539419849527354866437369777541170074505515743527695125559563178854823134199993073566981661142812788959139320983120009539152177212996581614215208334459706567280346130185985517089982612225268181648561847145789542697690372252371248178184915579739988746296941085645323990200034931683759052511718352922811599579699864961826040594559743857202907670187153341946659153570706999807609101953861933262124349909825013
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 81 of the certificate chain of a 1,427-digit prime (196 intermediate primes).

Certified number1,427-digit prime
Certificatedownload
Certificate chainshow step 81 of 196

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004955685207 --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":1100000004955685207},"decimal":true,"detail":2}}'