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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 #1100000008676651711 984 digits created 2026-03-10

Value

516977478004454661331437471062579800122352561384646458242870869196458852725222771115683879750459022943502109011740238775167912616419115678942227257064453863653414167536847256264213502965576604552930572239689907030757026476395826901549529722495550510315447720973362412760870544991999222010368413360516203159542582424800964684928630187205169562315461003025855188285142508810808485635847344160814939907185898039961636952745567256173322042768932464703885660215848401508483867603331287568216158894818060862840341560563728597196100573997019836024436353584560980983719295900625798319950884974808096438700152921347394481001157043974705833013952517602846470842980215769650473540010206485918351777167752975350584496046753525369784869908844340366463905107384337497071045088468710491858173704821929071258371942527546674438455074277648745671378484943862353154397321998065623976589467581373109141583495969610410375957974492636356194858223677608229635229705079140187535846875924036933326658430392811
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 151 of the certificate chain of a 2,930-digit prime (225 intermediate primes).

Certified number2,930-digit prime
Certificatedownload
Certificate chainshow step 151 of 225

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676651711 --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":1100000008676651711},"decimal":true,"detail":2}}'