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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 #1100000009069676581 1,237 digits created 2026-08-10

Value

3453517156415812664022071925372846864892143531431543864880361066662043646125447315270855768710887014513947566795655971607594451059707292782047422073568451054954608420038750195011923349178645205649232247052597802800239007234693107641715385553936477198700544839816588669551758588550649906304869033488546017225743239075306338984152917050903648561319562049116885464373681352521532387102714219078416585766514218336827639477403567495678090441257728187900500727677086156831437422784486131371283975020863992244639525627068147757869014017027679954273208899712472654814386341732099076140579934185418566906549487744617653128425049452800247196151020881543663543974568197155797108565494787261713754915642750031489481955454621220844125428716835138161895711726603924258857454078677802485712125477604130472245671285490091037289810401314849645844417078089434502342735818267305900113567653891383761875790212704240803760179154472456342354815647338098972975665177226163442206917589242466736527828507454497634849491385996641301369031715769425423136684928469564324646599442490746728910778764105100232018546153907742895598165520251148235260541230826908170958806775176298222345810491731694732786964837649733563555931725618872386554890420681978355489121532023063
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 43 of the certificate chain of a 1,760-digit prime (133 intermediate primes).

Certified number1,760-digit prime
Certificatedownload
Certificate chainshow step 43 of 133

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009069676581 --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":1100000009069676581},"decimal":true,"detail":2}}'