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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 #1100000004894600808 1,913 digits created 2023-10-25

Value

42255365794011920542918411403488940507494059049161013849774233752244675205632143517590042114085339203865553069797556083723294700007571556542407893120408287953719018055134267916013243916919969362467898580193057124720136660847313289211863795232111254955051640500641684460048449996724769159901951804981699378562186379806795843386928722897458599222043689507049207373747197499570945427501206812081994204721121550188803488618328010660515233077683116487947838874463560705481295086041157244862667368416606064962714249349869910421534752729245239828364384037336409651323766147578387283992914453165259463812618933291494859200615837438272077994239496784259247797268683849258825665290978108594497640254507861788535763412046110382064305073734731688636860892067640338559851146459168774163937263993065582388337458563069870719575855627454965324624231886583054726987179899448059064795846778314581067950211076298597224608211260386904913089387541638093091935411425929558572178812346192309129006785166747558036490759141445101857535478479690719465079613284507312554679305282724712997448463734562042356612845426875963230824966632900341640996672377680823470183942922149223830126382445196172923172490605900716739358724461644977729095776468222552717823419294298440152676662573573561493889415175667669753118725318345656669581402413119123431291810611192113858366869639705865718687006025435077636071799698537979301256798354632103799491703086173701784867291476722803585830547007108452637141456440201330177992097061076794753242014142741647676049044895078406864756991664314840325454216616165346761801803845593683572208556959710553326103640608154961879478825642582567851953497142589514503214268455806921493089457725113597933707015495259765203032758732280075805902081432138749053933553030611364115896554847766212433453636419837458380621539693867808686956662623460486466706176611691823021667403090567070175634813529873935272790063356873818090551779
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 30 of the certificate chain of a 2,163-digit prime (305 intermediate primes).

Certified number2,163-digit prime
Certificatedownload
Certificate chainshow step 30 of 305

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004894600808 --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":1100000004894600808},"decimal":true,"detail":2}}'