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 #1100000009042287954 795 digits created 2026-08-03

Value

172909749531116524527389383369082130544010455407134328956063526909628598350532568771505964941905817874594556589782087176185386077461707947530281129265317362487180870110875503135930727525540494356048911851642122913171881086341249026215791598316683219484080333390645438874860412945851309036170044426777600451996529498216301695379612801143629384377417789307083534031355076596384596779954915760100154978457343450255966386800788322615121709642501098344111179334629804382770975858756614805325795457630507435679871842664239039468134240477784951842416752332428960034621515642865631498955563482045505096686414156318503125858509434570971664217642257534650597584206171388148590257072638155511615206506041651841004601349445478218796012647693190069343814408677074018295831673448302204717876084297967972627327
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 51 of the certificate chain of a 1,315-digit prime (124 intermediate primes).

Certified number1,315-digit prime
Certificatedownload
Certificate chainshow step 51 of 124

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009042287954 --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":1100000009042287954},"decimal":true,"detail":2}}'