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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 #1100000009047454826 1,180 digits created 2026-08-05

Value

1937645760930558737833573986132360920940689051029022702697326337341865308527474943294763274470844196042998830785687661714370199671126956962769175521230463885899483584020417839926999785754136205399345500936313907165466434356924389021342673832512812311752214595461637073582649782478491970423857475401147080516002890411564232889902591842762265291654101925436843762511136086124482117586060644931253813523326474960471369506305520681168715883196646032558891948778675335518454755844931235384826158643789679793805346278980964277830977320004921327628585431289716023294808998701370597424436391136838344417690233890975955602958380719768797407240927355968594876071140498781938774269263058993121635666608298194829344221401848394301591765991502865741728805664988503602808075106386556710761632144608057018815446463041515228755387404188928346246340576006638272927803609413770682099459554279779955034571257346187546717548050792745433819864466159038464272054068322373522285619404699152802064201271778762815352950287870607688536116472809219583061144654169732039106581339984248189619068642812994019882582714349593905971813112625108231765025311050038695739708714518297221602789181802214485885956793829
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 23 of the certificate chain of a 1,457-digit prime (118 intermediate primes).

Certified number1,457-digit prime
Certificatedownload
Certificate chainshow step 23 of 118

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047454826 --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":1100000009047454826},"decimal":true,"detail":2}}'