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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 #1100000009018581150 996 digits created 2026-07-29

Value

642300399438325359990576068272834574776754298174016295883813106348815268090486067604377805623562595193391534221930447257466895682207750924128041272689694806509417286144499986233506444439011621540648933208398112287370362607663465360434137071774528719543175519395253054771852678705485540074849316617792926273607444971529327808288023767442213630146052157997764164199245641351531356572349397832013650085965359610771318475710009235490564010339998453223568826006413719463805654206999910545079500258156792572106499055334343071510615232214210559559038090538470880763718524868869832292104887474179386513166370405303543612707599658840211833237672102019508940984388036689606357922940389604214539851846086458238017341272006305719858949709426861186912140233652129355636892526822474809867699987629655870563579509602703908868483241388494208563676596928334058673109782492856121773454363259248616033026347212576444559569405685345751934067183687787232117960114466209805021160503750499803516704753830847501506409971
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 6 of the certificate chain of a 1,067-digit prime (68 intermediate primes).

Certified number1,067-digit prime
Certificatedownload
Certificate chainshow step 6 of 68

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018581150 --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":1100000009018581150},"decimal":true,"detail":2}}'