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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 #1100000009084003258 1,720 digits created 2026-08-14

Value

2668059634310934385406278460440565975968865313825198656472911592748062608352100251986700021868539072171271697749991704128686427336580317458460113825950460842480116472802697630257978578411417950169492311556966430086475774829720891464888501516236626905748121769162044472558707726446236193928338110144864094241226166498875148897780071086667862485613781523976842372930334072563048722659557956929518368603205175788920949052718972943605831423025952670525966373792869340491351359247886330827832805577766670506364007362516582150662159976812363987080997146967797811815286369979559796212696473948037864331347955652980028722242122481896903345648844651565664230450014830399392520795600259495404868619980103829543232627936431966699592134343998311257104104269836489331314307256553444028927231232472737089757626504273330950407403963277702731596989302606713479768106214137797806986679585198544428382014546258923540148847741965611186105105900608075792947518713190652068104476993559241165435885586873605889804689476432870198082035734937071709836059595805305347004948599590461739070363791311834693769932860502347059817080725552317480083103582377575992716665259618803300433354874651124185461533633696460762168136559911792465980490367286624475999716148212811762402083352117542263081697832172077425290201686537327859223562359747815880045930609138570534517743406664346522214734748576598447910428850556680933381947994319000180316185428787099982039572550523343727231813895487986888048000723224005238762319893656615953143754549259157280691685801485921100288904365523831794607553586115676703045538484646267493133885206357029797674316683032102706464806307069909778157710083238684160383629030124706370602001739065967661102165850518472816925914981079
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 17 of the certificate chain of a 1,939-digit prime (150 intermediate primes).

Certified number1,939-digit prime
Certificatedownload
Certificate chainshow step 17 of 150

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009084003258 --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":1100000009084003258},"decimal":true,"detail":2}}'