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 #1100000008677271075 929 digits created 2026-03-10

Value

28981181977108214552622899782405371692862507328910726478146630995243485547288849078846897803261880596200332747842089058792808507252951397138498979287722747529514733458914833077178822717091230535538474263684046454400262197475223922869610788827271526058902572779762530402728184172925052818866904488930583600377781871089333255629627000713682415572638726117182642782176580173332222644599242645540593830660087606452407860438489346903365233522630777534209268496021951168138030955387485878062758982029248890092076216369107889274243281985753604707973031859856716858898564106033404086279188788444465770527629878657128425115372603843227063591067543937890984237375795557768252747927774280867088303256695175771233813299553077390950454730381314704256269823946703003590399259022047002551330670898244639173491707258641437369418108085082288997443027828671944260536755615123871598330391273922863937126495078708383175365789794564600631157129999353
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 65 of the certificate chain of a 1,675-digit prime (163 intermediate primes).

Certified number1,675-digit prime
Certificatedownload
Certificate chainshow step 65 of 163

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008677271075 --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":1100000008677271075},"decimal":true,"detail":2}}'