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 #1100000008799243728 1,356 digits created 2026-05-10

Value

203348870700172796440296430586740086653201831795346960824170741402425076324314555852358374453108299179228310224427805415536255938266734169578415628759514508779876687784023139259958375544544433453521266082293729195058231586635846662737144303179079239875438176154439311320357141848073521106339907253110599731677303814460504029572678442301383994066179154196693958482894027220195399764171961446746796479456171987849440652355469928583026244473030354369495252124169245328954540566380826602438773482797698213429867834837878855358273764569852283963448143579951029876302863994463403349878845678758822419478330244479823797206692883700969096333761634768826120046320573084223384639847221408747429570220192413450799437917762070444911676226970545509829492671787210562436060798385559321230214288202948653118921918066589018494594263941868167364177383341655755952302739130283588417284134283731068270196507215451844044609849053159601355505979352828920850717006221622906419322591948271177418558645378905722037849717720375975694008793661022969018983738415129938770034011001713947965831291982148585655990144922369395957191811666533439746979407802317337795290813586675837539755828050768965799245899070442388165060449375134850071068032700590950868363343202014821367669756699902685091832167119752777264075357991673269359275191801787296400404808276070407433801411107862078430174079
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 166 of the certificate chain of a 3,883-digit prime (240 intermediate primes).

Certified number3,883-digit prime
Certificatedownload
Certificate chainshow step 166 of 240

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008799243728 --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":1100000008799243728},"decimal":true,"detail":2}}'