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 #1100000009084105143 965 digits created 2026-08-14

Value

42315498702599081657593281585831926532078360083472051732328283052907449082411778936320163412963093281021164785696544379401251656822258233143218098607356707172771345705169830921811099859254847414647224597843268063091765383866272163885173916652273738076884356072021274892887927452274107007193536312468799926555238858966239783286734515306965315749927866232300110973766018575197363329891883785055125110945206998474916289209689780938986644922234140837844436312983789772999252819174590830880111814128996623772204081620129709452486189300065264773252584341940314071324578585161570121764995713894551928004745531258674006401132799223090896514511431274700624551828751070332207956510362316495262018587667831149437628852275480220444385268701441264015450214382055100504010176433592340788327448777416688733939633218842048717053584621996008089179780594630156258261160919633717881403886405246555952598808018721873255428298598922417047796822977652934147878560692036117979799087726687
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 84 of the certificate chain of a 1,943-digit prime (156 intermediate primes).

Certified number1,943-digit prime
Certificatedownload
Certificate chainshow step 84 of 156

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009084105143 --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":1100000009084105143},"decimal":true,"detail":2}}'