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 #1100000009080351786 950 digits created 2026-08-13

Value

31012007064221432760436945230966909592038558625445271207548926744922163692244871193601294997591663460777144141481182661521985318179501075606124891832968958298889425908994065479766642207741584790289894460676321204484868239369039244720056072257212930143535452436324043543362223406506820988326778575953356517418739845320666238891891229134293651799025526072980184878575219586423750928060775353388818160834016351714345209517850326364133540655436055332839202324781919374512361071494146033727928683324977554190450696750411873394662424195325917317865365349809423433139525729740858422907424047997677985584141219529479953682263207159271410688803999639078612877078878602570796153287092218713659562874159705178544926922495243627139610219120851240910599093465440742801335566716681551950933820433104260785831304030364516960292724423100979160738487208046421369454759442410364532956391692731731435994633962168752900750951005342951599584666928235726102957024484075419
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 74 of the certificate chain of a 1,870-digit prime (147 intermediate primes).

Certified number1,870-digit prime
Certificatedownload
Certificate chainshow step 74 of 147

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080351786 --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":1100000009080351786},"decimal":true,"detail":2}}'