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 #1100000009083570941 707 digits created 2026-08-14

Value

20211139414695797687597775253937652216474767557971505800648710327760458544092336475549371929113566137941585582123879944450330727346763281345263726494106758481216061867988808388660723073233531426077533490284701541720914116408260667685027080856418121027334835157012783641235078903066312065850270205454309073150481020291445960452773004679770006832381376826053169022533302259278725150896595331426689450233186943215991925355559644223598554337234324928687899772152056460951177734548190492111207543635388592482364874513618980798458996833557325949425860980038105853596126574629569813424343577836237176714023944914199814187914856263398915042861813052625126882476445773595021835649306659296909939514896896993656788037
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 98 of the certificate chain of a 1,891-digit prime (153 intermediate primes).

Certified number1,891-digit prime
Certificatedownload
Certificate chainshow step 98 of 153

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009083570941 --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":1100000009083570941},"decimal":true,"detail":2}}'