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 #1100000009018966927 948 digits created 2026-07-29

Value

207429284170648139085566288799805683374521876274754265496486833799337678498438447422708426930736507974611431538277818174769146423576735852344389021188729982305556609436190627597915978477384880445710888320462946183878183858984671803746233934963623159067106293942337898507362938402063379116890527963357771425891118046392656403475868034595332027457764597368230344303307061350876842094299850015752018821373497799682909227498154504671887126851864004622280140186422256111547014185961740203400704909195115317758115340648465280886991587993705191970521426576337727003930234014715615040659389435682025987161370238925097378336835295412564388505545761322767593892286579510118785743134010552922697658400087183414664995548332066484405211514501768513489984923802938410471970400134793486892269845546573003796395779020729394901159592364254223353616126953486730307180861395865379272626391942507912698902416119999474992102922809157412775285779926643303329152032171343
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 11 of the certificate chain of a 1,062-digit prime (73 intermediate primes).

Certified number1,062-digit prime
Certificatedownload
Certificate chainshow step 11 of 73

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018966927 --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":1100000009018966927},"decimal":true,"detail":2}}'