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 #1100000009127305929 918 digits created 2026-09-01

Value

203218512869581098945489458855164969283930250472132751856039699171712667629044192836834576267362129523095311523949002114417270457037357572106414017806177239667856137160628191050340592935246233815001159140619696794788444464710483898095480952774580769499070935006449392776824613103265295539880473338945788173694453700119666716975617200144112487936824660002063628623132747428420394103382767504293067442912310593689938312845679373616353553275261190031009948999303429506827920271295893092308925589624237632097192179032482243633272621046078580535747426423022308140250282696035947885935017849639583309453947757539200216570450441916234370718436353816833589701803511608977683946817244378566326951524235822790425751923421922307320053841727032797265591513014826810191086285833334420194251319770630762632153525234269405455805581935956616836935415510302815415153043096143928915226183594815742564641828380319838320950633846332582753
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 220 of the certificate chain of a 3,105-digit prime (328 intermediate primes).

Certified number3,105-digit prime
Certificatedownload
Certificate chainshow step 220 of 328

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009127305929 --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":1100000009127305929},"decimal":true,"detail":2}}'