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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 #1100000009130350128 2,920 digits created 2026-09-02

Value

1606642934815334811785178207092809354959328528464659622586528194444396668297929556284193868979039405160317002405030764738687243351899432740500955337789624455187136140930634040974711655021115222380655118798589088442477852173597511542324795077513505371259374099711008824078278199928918904112995429735543967378523318781748878844613984340248241883553439867601287332169615074161940477512804519770191125063859116752551250324351424178756008555344479725361069644388733760847341803262894934750523386166383743951300782618416830493376906494920619178500752604662456814017609557137632179427313679871744355318419096088862355301549824352396284478900375461593564318926619522627215755757084369964889798599653463789309921246072244410500545102380848813127238131418520699385828088350118949021314796315530750160550137412798576896593920739580777596205191949651054174541780441135190566592804496826024921959982338597438884784822370691973387124367172757313653151822114226131904900848611353090898927178211251555308743743105692642210884245242307119459325657804819256215002753607276976839158993138577425274946247440714559943046034646079403231866832825470692002998866878952174775314319518892927138945229712858945648499422582867334703343026990846944068120818406085939886888468187655456721953397561584282072079194552218095151447584133441987226671287875230572776428144422089888946356044948133338939729778946148227971178807658033918285605116087047941651481063659888886175213739959119362406281209885076323365795328144420320682296549247490734492118170422279750736284854813288893159790634790969602233803119084103167151754909682867979579674391761668207570000272079084477406939626360110888521899803266136255133519930878896599657657837614171137332818921266182943617311062200990473116708705025319876071787999884916909228489676552473713009531178620391939043362552581019938699518704468459241590520743203506899138793890536791825507019377479908842457871612824589343021736059820975444096618441143373916336119261303500823615759731034352985860409163250316841404086884719941912037640198229985735457331493067571260344318971562331188068886627431988806246356870125212034092012913118937141148549762765463633326494334984681903870737711390332402129839125045502364014274831248091296587037459756230879285466284580588913774592329850445586949520534466401363346721174173145298269014486295517058763827315103278108916821467786000063069540320652937981244875732348116883876876885251904070448547140015083383596716677026838342568127357054415409076161042509297158650565584868031450920930532285753481241741205172347728487811551976348482123999564473978371608977021229525615773854724013231977967187094806953438794445216300076369376914724418430974427462510822214022430250651594672374664233025306299619758729915657837935829604939171506496349024320785811023445866589469679688377335113029962647457847508409784871248596781493093299760365610601709372080735687221112155078311454923797433800458393
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 18 of the certificate chain of a 3,173-digit prime (194 intermediate primes).

Certified number3,173-digit prime
Certificatedownload
Certificate chainshow step 18 of 194

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009130350128 --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":1100000009130350128},"decimal":true,"detail":2}}'