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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 #1100000009055629941 2,089 digits created 2026-08-08

Value

8967473903193893345628499515684075649500931351538211273390240968887116541800247860190536030830127201179139523980326687875795354656252408675613669503720442981070187468366587534393401588012999599259521945850596608274419358246236860912457756612909352308409511466548866341476418113037915309365614933515120141940376605347340024621262604328198760828843466957579498458595003040854901988066814716333904695360182094103863524615377204737065332689554137033634200607868423849470702767358596050313890057748269674758619844347081152845032802584728485384253153836029769545391118791346344538675948780301150553883431525139312936885085201950156815322173258218507558988547118942303568115773652137417653561794115075101477533273854436755238728577967550057188460438769270084410890600284941862914381398491566978685395486073918679718023067193531894838256575082012095722455412953644236904264696845950196015087434464612771126228789364519904938514924584331580112032995760808393428359341932878670414135151729131329774221669567731026167857721292124158356318055763510931384576060635732194164401098124927049785085697689204586079800072407694296337269002122677057850807980229077064473173193115484192973727173089740042863627948484395153985974573926896647099026683559421568667081027877881500476508065075783818332095417148093838120396362362092700299019693380175780505111757647075818568275802396334773397300120312266607203176419269911672205640282428148736895791393521157648930130650338677777336802271457955935060068279516722244517825138976450701195027749380911056204915963397963286159209721496358994408649810387891054595602001478544187389930472767398208270398938448593545709957541717278107181147536946988977816016094099120416379430401910209262979860346293778578567685760780845019330615613270249619934857587483439106050505854590632200226181754095132962609159097046457962612525944577246055389353068317691665724847650992035821224934130054429144587464443978561120873041624022535371795252663220680032651268690368555030764435418453989505564359870277923047382719554903810060680036977550869966575737810161411563887538369672965284238611
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 43 of the certificate chain of a 2,592-digit prime (204 intermediate primes).

Certified number2,592-digit prime
Certificatedownload
Certificate chainshow step 43 of 204

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055629941 --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":1100000009055629941},"decimal":true,"detail":2}}'