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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 #1100000009116966294 2,524 digits created 2026-08-28

Value

1015996211761879811051762379783389692911979872530657684179548181249829413663485819853918907137519584247834492136117763978289367866750117180741768580765585509495216572195500933152551067569598513014981844911422157425032678988282239795839212709395739403135471111451127079472266197458519624425900434668108384263134312849212798090161255979129379998350601765891899347245427863757125646628505541406062677865423994389787371395437895227359430538976635128477955383893422722466888219037771925780227323551057170640474599478967139896817130596333702603783889501810261394583852981140205034024716128121916593022127030024190229316858583240214348464417155154558930465140558526194677587556350300464154183528956611899973870275736385309206625430534491585926764145122553434728103482202517855646620226936539739304548911987004708472625622466983137127446862783584622798073002444162224060392165852325249514040937779993457269694284244322502038874029559038088198502004440826378542375453390545497847025429364751387181623374772897161684670969394781611231617473619920758121884903961310969389017792594178578081109758612128439930986253777601983714886550500343825236407151673850682714094246655476624110296993295836376200728908299243118614638669537447815140826689859280578670155531427532264827877237252113906619855844644832424217473662705305354312810767964382403087349752858810905403927135622703953942977382316405076567668257817835338613760675833991705652067191308724025679757403479391890014072517426024966719243336848878175736533235846600378081873794977131188009562094819996651120483630093727499496301183948826191336184427269615393829187725228860481407377118047645567264333742213873576686778492765934537340235503962201217648857828738992109563461888808944889752554904098082491960106622899672162906369171863404349761210978831268181704831955817849680093348877960836191071075684426295112858974155650382116596874940263802781750141319925604336695511161173705758840059111235123445721866412987695579913725926810988041774312636414620193751793657943078400893421575193579979905346969561009587256829280161509343725604262967222225871136076464110533155506152985998377596007380557925760225647556979306112462903738938179006280681543956554428563952148038078514437869630215016816695419540739322746343582950088887800550389382434024415358664536061973430482910206207073187473738489680268748904028378197988042774891270016470537002292340864132429986784822939650376453863642040875952049311083909226583197167520434060529934532105090164857282312435873956725940151105158484160413488719
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 42 of the certificate chain of a 3,028-digit prime (226 intermediate primes).

Certified number3,028-digit prime
Certificatedownload
Certificate chainshow step 42 of 226

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009116966294 --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":1100000009116966294},"decimal":true,"detail":2}}'