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 #1100000009051051566 1,397 digits created 2026-08-06

Value

18518396266229764560351942066325559308233790203329429020092148529206781169334106343948878347954781713900154159841879508149084638049919890625130387176914570362862999821657934033074051313741861978508156555573185804363886317407494389063464216544799834164750117953821835956318987637750750252879131930630857003119594094783254514882313378513852642686098966282241735072664691271967629275541507548277818169478269010847071563669359772489932513529098591883329625586795819168540056872153284791240249730743908888414903519231924541137358169822216084103831077197687282568651673513261155033147983911710255149745254020159138381735556973321077807169029376233702257431336022764756334632348255973869243372824684163626975562263153546904216284882651462066952775658082555471791847851277043926549816444230225356911579405462858233735426545779486714326383644106474410526141682860348429712413353276628901429294381565480988460350162353836882021695635051892790136981750767051573033946578679269608762689759522953663485987427573378746518981425300102538315996844734157426451410654093288087259651580273600493984089635254155934439854505283024172390528228568984984909601427438628459032215603746334110701337639316589977229095651437100726840139605165238906656073058110364465649468580419331588477769597996016635393915787560930011510106113150374899574023900979249606665243845893003367178673591371355688526835015087478832719698538202823
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 14 of the certificate chain of a 1,552-digit prime (122 intermediate primes).

Certified number1,552-digit prime
Certificatedownload
Certificate chainshow step 14 of 122

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009051051566 --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":1100000009051051566},"decimal":true,"detail":2}}'