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 #1100000009018953962 751 digits created 2026-07-29

Value

1811613811353218586818247755853405876557743309391299832236563978991698783703455828216479075383494055966363558685489810087631876778495581789209668004808655128851076027430657609948671688742630622104898091821742490894887857475704810048612271181530486197576960284147823993158434805218565300200461634562859335720006213557578296883133205460049047754437907324543605114975224100971374247658118377994181897541909830139776541941173363877265372806985641979505124728165894564541816416185785665707387511494894596068687053259670090302578393595736972289485218724206491508949637286468121464455733399908863658802611737987511393001759373507876884073921113722408800753561952689409391341076562283256809433355595988506323433112875338844202662763324109425550278935269821861
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 32 of the certificate chain of a 1,055-digit prime (92 intermediate primes).

Certified number1,055-digit prime
Certificatedownload
Certificate chainshow step 32 of 92

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018953962 --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":1100000009018953962},"decimal":true,"detail":2}}'