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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 #1100000009060825725 2,357 digits created 2026-08-09

Value

63677692832972701959888724435625794756348549183311306878778003684387955714495609818468106366612377584487823871471629417652702660488699568060489611802453998362590300140017801324940392244099639746323191715216189360663137726585664092236574126825562784110600696705409896768808020837774585766642076363602394771038460588290012812877456053213960503770743385943868602930773310952260895096445232662867054340944105865584254926508383600366805829882773308633882442402298066365922535849006146302847297271450505344920664060693778624211597851508293893058330972711568022244775769759043236958273641818167884266143925176514358804943246991571229793934406525870113230348514992115863560526122346271865968784317884027175869251929649581071293081486170731819639124880501512364536482476485176771958782610099015807632220415480357980465609985043959173040948540642790835237328772367804893919841106330685735248515848124204395115183443341586191597042270446625306341365763378858624378065884174424611435453595637756080639237930221679527541206133606512221137878733948389113756073882503189542150227346070592757345706620841159986687081700847013969603606117136154852056731009879817320266390939684534216425451002927020697392555698973272832569450838933608536284409344221997751162259333259565614049888228681464354872798267951878116551802017551195701698709469198643097758518479529888401733247152381105683145187503464415915952311360977193367747894983139746911481628935834922640752479076250752773322082920308777989765761095078995996172652163111406092345144477479508510271348100966769034901514757918013929865902783615483335185214203029977703154776521783782864733166943954104502689195751659172311565953622333833281685377940575033756121259318708047342527438370520690183576876771252427285557035804411502274514971393700204112669155219777614289105044004737771473657537399033558021130046530702999930273486489089544143909024342994071482360243886491469307116305174123798532491595967862127272456485415965528995989101769577052174235806989402278838247706738456038372956723762982186959114108362664862723070385694400491340226247864566580115963313262287154462064089348713421181796667664138199505668285636354791572268874545940920662731918574332174872316067331717922956162006324460856887368369747617915438118612060738056408131049059933380878347813845224415811573071212349432647217920143160719371625860251525151148353
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 43 of the certificate chain of a 2,900-digit prime (209 intermediate primes).

Certified number2,900-digit prime
Certificatedownload
Certificate chainshow step 43 of 209

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009060825725 --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":1100000009060825725},"decimal":true,"detail":2}}'