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 #1100000009083570730 1,341 digits created 2026-08-14

Value

860354170964420441582632319368383834732694171858455610330940760360262086599585890038700080975700454280302576024171237210360565822110203162323125148867105009589332142577993391180076331418200255479467192769626411321141516185989826874397811098721405173745622827449954445574282392357930987363462915285039789217424067778248434558628605563342142937290319755847250593776777119468985713116609456000456063028566235312814557105496585499583099299095817881091528110153195808937110843295031104664333844045791045304533089878339612042062948791981186434367625811550609372062443060001551101872338442516046175448514209408255970953472767937888020165597848989737966394146053849226926613178750292183608151735148902767008978345870766923884729741677112881809778796888723954899240181646464158794072976249843740516223138143997134977446054183208661256806658231733808661411842873795553400293459400908811317994310520648683152794924429945613970271538619307913764001536543985300318029965383952455686843712693636965979963600156881170195995989458099966742385589321585226304025652057956233613428399359555452093645443805436851936645429867305101975202398138333884847989992396068190733712196570876918735978778227046207193256440179841507629815523063514083978236045522613270292846167854334342127248095504778963330920393492137966525169096625745925096841547408126796864720785465769
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 43 of the certificate chain of a 1,891-digit prime (153 intermediate primes).

Certified number1,891-digit prime
Certificatedownload
Certificate chainshow step 43 of 153

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009083570730 --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":1100000009083570730},"decimal":true,"detail":2}}'