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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 #1100000009052042877 887 digits created 2026-08-07

Value

94589222795714672723391236581163506816407309643360988754538483802753110787995770869019294499314345132306803906872105908692893512850758574439383035767113481967803197109917705931925934963077503937172088889190043291712379532096896649457046380468639731578656412507386109746601836944842175315429384079110569797498825359313062433478402301379960068809419837832134988148414887737011871564806486441953541546746107103519865190053406196555903990151836628359171960992053511861422685148496886224259599105158003047696192434016543336781683128728095370390047815026547237237896152107967213765622175940581347813180850923442713300438705352680411306274632028194338122994017575103695431199812347388350192738956556049113395551121508858532982361945598453701124997802724804206212233495155947340113122050335863132509089678619775629546066477135681280847680263051274694251816721743660745402129798965227096130677257
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 61 of the certificate chain of a 1,577-digit prime (129 intermediate primes).

Certified number1,577-digit prime
Certificatedownload
Certificate chainshow step 61 of 129

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009052042877 --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":1100000009052042877},"decimal":true,"detail":2}}'