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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 #1100000008684836671 1,825 digits created 2026-03-14

Value

9132205037959535025684555668299084846479211492805963097357375427505459985339689767236466137521272010452405547504313215071280301226007489887938058873404025366965676017468682081955570892521591961245036941092657301230122300340138716920897623015961235261126559141506037519540118524826300081976506489551000484857604340386581239875125059086223985794100097838630955575802819362079358581063555901799918432678604707793275806820198659839536359821383822920963567007204177265964056186874065954868866149088624815214927114352578636978333298029189674092629026735220990354555752955117912473006054345199889017596280301669632572789298570801796569624712078271043925568209799380286000033537572124008578827183046285582820891826665009176031495352335779274288483030325247713706919720177531926044961013766866572276211919362422820547664132803971239961591524727467657806789857212914973896881944464955092931644462046403776105432472071641902074685306782320940860920508123371839951709894054365743496928852589952317503596930757817260514250805787003974328208621207932583123982685091227183897954251797787326432723387563838926306508831073231720729474515158555601611573996580536239613290442994525639780282716440031542029981677265474511312022191202351183811322463373243074782279414237711948872546170698079897604878137845999876272853742418595294770608873071743255842227923625207295711017391673959297195921196542033706141073047081124073518722530437633080051521380261138323460015425713908629767587563748492196684940124723641936508363335923215287568377877013145348596070210433240105454039154214133658914344078662292576894070905353417234287798181723196247024829866796151189924101151880120062943241512009719899517018250827406577476046110736732993922264120432793062547080546917061550776319057872378252814941138818247109821710874184037950108172086678576374016522297559
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 81 of the certificate chain of a 2,885-digit prime (223 intermediate primes).

Certified number2,885-digit prime
Certificatedownload
Certificate chainshow step 81 of 223

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008684836671 --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":1100000008684836671},"decimal":true,"detail":2}}'