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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 #1100000009051642369 2,520 digits created 2026-08-07

Value

354901920794680581044213736184337821407653317455562481450658969517429189820337744432689979802804889350823348068330939067677845040061292729549043971872721010698508249605627530284015718344977216202756024417200048851267312089407392449384691677632166773343435010533392634646331401258548476319204235229913471148368536959176680034395918875546602528275256380511751226187898600707239308434597392356078560257257685876806522133883804599639099818969930706079020619327295936298127286058426051570106414183054786482483168298213495900025180760038362728537802981128516188754356990188824394650503138080679614886344930812089830116217193399194537780084870645969874645541002259546285869536369037195577030872716892172374388191663943282405082158473763880725909102463008931377201450432667509206179553952218563234893873370790957936325083512740511758470119338049749188204330361784353517624906364936142470030263603669718761184011052648554284844852290510232594982674324451486789213493071122927808858595325556183405826083781201531299859481820743870778146163137828930014093839043628786515635023988990545010620208604515765404696919170853289557580557251152812557866039918801568089028089239514963025161600349108430409168618697326269753994282916438964681375375708834109892050573051684014756874717549887990056027790612725634136694346032878185621693639403295743587531643709034318112399895186562191254859177136548803466918626809022158174214487735451462111804280882140421939454872432439312005104821153539942184176555409469632747706472040537384984811766449832497470841564084747208737662866271024569600488293785778560578129032847920635888229654636133219667392513432295683176132888494672889228458582189260017985265337767974382957444368680141198567024438763356971647438905135990196042992170133218482252382187081761910101625021949569771182133609652130178910825639744657377986027215522066852836495667266939730642435342724501992932193783539313024832596705277994308742419205413564513768978840771911371839610918015890775892339307665005244695072270570536858367191675815042479039772858174114520067813387322210006756541412679346040058725859486401415564073312896294889860599439601231195936547951582971732810940384367384006320774323185235390057317349908097474742110694587480503309224145143128201852684671332308005446777239116171525334043613021320888367580878384007367121937987767825103656113872544277562659796661921052672961712757753550919165817450681459017620084813219453407963586689107948219668787604473718485786732202991551855748882380217185231912773062794562018919571
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 20 of the certificate chain of a 2,823-digit prime (204 intermediate primes).

Certified number2,823-digit prime
Certificatedownload
Certificate chainshow step 20 of 204

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009051642369 --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":1100000009051642369},"decimal":true,"detail":2}}'