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 #1100000009028310226 969 digits created 2026-07-31

Value

227761521355031991868938183361199560332450583266875988400905386796283107020806442542988642367983922651911815600901707959488972576745648135460907740182931838736448714782420321505570710411246727063170299727652034472765508481047660538761812982726538451660923118192095366504575505803801359412369768878060280823438878972400751799915176857000654997704924885227181299536208748899517326825232505588024189204566548782322511204636912778131568624588674852099919572862560382724216486514650334815632694232281651413945417560198622539013399583381706362798674066979241810568666966024928476525633779204626552543340049106282001607048743595493231851863376850321925161754951995051618687864192540333353299416892107968480980849573338275579512000343464760554798611747692656365503687366753998949586664274735541263309024042674598640374242336051893371656261521803601755831969164046618948438222863377502094187075048955414056443784017395459610154828264998447135398185367106890333527967856483902767
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 20 of the certificate chain of a 1,202-digit prime (101 intermediate primes).

Certified number1,202-digit prime
Certificatedownload
Certificate chainshow step 20 of 101

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009028310226 --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":1100000009028310226},"decimal":true,"detail":2}}'