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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 #1100000009070931685 1,706 digits created 2026-08-10

Value

31368704362312640400304612409545933781061041886661019375755218300583923468467614193650850941903200592407251813248892316045440404702941998342543062277201844954919198784625903061845621334965967040063962729799909811317304084873918565393111888651094748319909741709067903346828654663583100536826830211543394972124060429814736581791922213637116833356494278108635809661808861231653118739872908305117502156718556317457188507080974338940184494023795632427309822359801121942485412105709622076187963802183743964560167168525620292245346561640080370845323662482259584951169918378082466047790019805463430101462102283425971377955582544702012834562266354307751978819713253364212291028838779643678085316290472317156570233704185278101318523746502662007292635883734737303759012697233775333815397012247288944464881701782880405035487364895874642653131838694368203536704512400366497465783308768031455099415072424084841151943219422819272662788730174187673775773096166225906694944950440149527335557263005817424866599128910598113536132857803535553648647426818443363400385401213595424101485721848519946058945830552275417827285720967699167409337311318458079035377366125926512956703722621182388844130520015247729306769694813603832038279015530208310600778441042000360948053331521420096873551453195309718913527669643535700154414294676581583688528821804737477689561775764443543971035957547264831696369342250663576833995964558977875537189381049300860561807918393207783762376402243734240576804287049181426403942485252037603416024641087015919887373584504352762487911812344520125787987780973881549709964020425994446291103884048492114226011608430306077220876713333234744427607726916658505603177706922319313271321724629582420602008506086542279
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 6 of the certificate chain of a 1,785-digit prime (132 intermediate primes).

Certified number1,785-digit prime
Certificatedownload
Certificate chainshow step 6 of 132

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009070931685 --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":1100000009070931685},"decimal":true,"detail":2}}'