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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 #1100000009084009076 1,249 digits created 2026-08-14

Value

6404066288010370302079102869818766228920191100604328079637639384658299152311302666445446754014333606819795307318598672580853356712466380007366160007392891503956065306526024419302303397755814132241425090711624051758011708964259052025506289926115247833439655372027526193615428703608769639405780565092375204251706372710880092625710276679133093840928832455914072465755813678178078454624791656775538244864097592860575590111815131399250498363753471968082145335916179045196227381385664744099553961653876172510315649375433063768131842168354991277680256358429779235340583398994526964018110512485036884209940152995209263093777155396124358662877836413627811714086974036484051423385935855136213742720248661829146434565444084231057970155775556377606082398688930024167821075757258902095343634197586737381476679258086605802990603227821063154035861386821828170991764711672487389500964813193813628309852552881286624514788333919547206829633452432808514739020780180781748241051706669507127067315530498695573164600099299273343259113771519330983311785312003315734635049035178363830451897921415580180986651941142563352850493491353580137083143431609526321869529978136007443495301457588969620237520685377192178127439042333613322765734692989291175740039870835241482992645607
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 52 of the certificate chain of a 1,942-digit prime (146 intermediate primes).

Certified number1,942-digit prime
Certificatedownload
Certificate chainshow step 52 of 146

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009084009076 --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":1100000009084009076},"decimal":true,"detail":2}}'