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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 #1100000009054216696 1,884 digits created 2026-08-07

Value

531149954537108153737936184256363341068457238759019352415257827981092373028510103602489854101315859760872179191811504397985343301392468692390284904741575489377675099323875289716046460658376648725073528401694328997297925623339779170548529073196391947404515944457108389149625162522280689478544866522450712400744493093919410485842861219001424219440596489274279364415474690284273536360338322356081108515385749402531789312781795266899533219591077710147131876761468660179952792595635166823002561261133633932162941103580285026564782777566586956030169997201192933481315083494103951618079827306907782691116385220567769446110091836084413503739263519531303543833009492334299012198753455884073777277741789443515725052965006189741275141032628894572770874212905874585115804658555946849932288795694441212784493281914175029970263586039257511746412724347957183864870704607299526250987167421210067688614625207906507074580814911046664278447850423146454117389063837631856996538886300170082196027880168265999857445101392131025954381706109570282052383340338388832970143620301298171974181921356095089395939120113794012724121000913229071691605112312719083104140224371127056816358788158941202077860192696746488102534230914725621396393544915113259654294289775326529489739586554902389153438495503275867116797701287297743450779246229564145195371629752037376845481279180382034095949146755434839802975528764595991963735843455550700861818983771139163656989245440530695557572280111613444295670859673217987953314582513762046865312088939031290143998215927166653315261797893940186024282004015951824052124018797106231446983095500330623109873844262892624450284692494987972872888647168475628147467504311754756543518475218886298551215721113123233336152362166642516359854826866879161041711688208886765979106819436134334362135506634789757744420220129088247842556899695317764606959433227008153481587233529321887697487685408307
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 29 of the certificate chain of a 2,214-digit prime (176 intermediate primes).

Certified number2,214-digit prime
Certificatedownload
Certificate chainshow step 29 of 176

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054216696 --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":1100000009054216696},"decimal":true,"detail":2}}'