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 #1100000009066571860 966 digits created 2026-08-10

Value

649615819387000137081296719716918323682062497355913707910642117397094377558368910078249881272270465275593685684967171543506005658084744973062164977165461633579133339933389177334399024661212348830296580663419485997466512695192364163644232895766575433006437163250696206135350967537221254246805887996188017450553557586758334608589138310699558458269720353063601325388085412411197352999017003276173552670007371799067734294550101847739262619878513312131621604457009571365996500717071176341568772861032055133016348647821018390097893104039565629374619729005971940804714466497799611811150240924782758004309716566938728899641156979190667055912046166616785247025679524320820158281404675939025301871058862590277122794629125850969995554275096717052794343587250816681804527504611668968827777135125523415670459630487588554096903779491867197504816545398465919825707265833523296938550803154208148417977838788073003031067788046542751680023601008834681237549012328073208056767321729601
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 66 of the certificate chain of a 1,723-digit prime (136 intermediate primes).

Certified number1,723-digit prime
Certificatedownload
Certificate chainshow step 66 of 136

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009066571860 --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":1100000009066571860},"decimal":true,"detail":2}}'