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 #1100000009075031404 920 digits created 2026-08-11

Value

42651128568404759434679592043210654578357847009216293902463358846156939053518848138550757128962148807883128812170398857003715084033545211754182313382652426041882740725527676733643333156828743894812471626525699146285476814760792849721869632839337985981892532481317652214004644806998109260584733149229480766918159940147900475772601893118672268933247654931318087071693710052579853307364005000473337627593136181528791412262140937108652575703672997434535930774353365840335033323300466092250332254152553926130723226245786433200448637256473847109216097984210549843239876267679181542978800559814315090520863315274886137936894616985806361431196064907278616793457878278315785578151722828286226853199197865909569742097716054596980333510474756866646688687005603468231827047072114819089875531006828083650944795930555775540551505040944363859459887812111053016932591923603927033435944229716762410262869708044641471288270210174530414831
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 144 of the certificate chain of a 2,940-digit prime (205 intermediate primes).

Certified number2,940-digit prime
Certificatedownload
Certificate chainshow step 144 of 205

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009075031404 --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":1100000009075031404},"decimal":true,"detail":2}}'