factordbrpc · fdb
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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 #1100000008939898439 2,122 digits created 2026-07-05

Value

3065761175716170484323839117785041371714794184331051444590625747040188563261607200159649268910083953720872158613735062074712776172209571659924113605440864605840470145553085439989703839216611804252832966844959507203442548685402031703100303688971418571772851547215715810599994641171533536174100425539156101526997151552763654805000185519191827454147026110484160690505592506663586381383762049730490327098126039150677085075558726294528605269781344975806555055295360284190139050942417304164532581150148885077638292529121858003596294999044995011523700638745675030932617703323584583836570747614434620680893522544935886999624780378036897757412568406984767698903786193412280101961553906491980552388852080486867454788224061356642918886753089911528221625007702100628944286952710893987712222311781941909803255030500969764853774061419830350617847325430904224480467170355852470582321817143616980399547036901672168634680710229903534033900951892741957874007209137698738063404804862691467887288173373030666888599724794629392674005843090440240861691861623094656019644365162971123393028915633444028614702583634293261194682661940831690490797364587519394009145190137594600173283233887992352599807347224634889777812879986700527679702310770405637135244192337442487611097980248738078022232890287745995114699139328863343928280382152083614874694858139456567390817206992624494616378941403109939506330136946225150063944516670500213347560883735094850640643951190216031656245545655073325259739577736398057117838708658664390725327276831553292212558015558218936187582776737843914722816358403400444873449592110304712551849034189156728497015172106770831231017342221485896978556625463360175769079518419433403695841362439997454087378583564142413771629726840428691514047307310405657511289282242678240327170079557632386928713670760804918026434299019179733761416336202268277731388188746781743762792220755611117898187099233969771919698035540048446701272520048279598797734963504796761258682880895277103295923170745026683010320498281791308024269754894780044350468059072583242062530492378553341994242811344057491771541190313084925387204084948481897475619330801098979
term (23^1559+5^1559)/28
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Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (2,122 digits).

Certificatedownload
Certificate chainshow steps
Uploaded byA.C.

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008939898439 --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":1100000008939898439},"decimal":true,"detail":2}}'