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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 #1100000010595901585 1,983 digits created 2026-10-06

Value

177554805674524643727469055900302283338564451824771497441812777913854945882258403308895091021137546282259276110610117829667110468797996311554794029928931001723693922432343963876156587957953663585571645779132772528106097063234305857404663122828657701354615128951879381445744649356288700775865305654237626290804262066513579549958535073392417997601974419774193434904371196672117876965471023862275331937829867611279349219246167213080044968512763829018666160215307036874507543258432795031425398648452385819420846536632886342761921650867608167417571404651086861155241895349530700070130048098378297795445884616267259626900176857672800493903141047423954204552722891421983226141059756923527116845019165662701283181409272641147711732222319712858462454471675788605284030879977013166356095071087852262047470647264344281371724905193155623471802057150101627159096889202909999815751264212061925942167543080220863471030743477569402715428850198656644805332407032109008873801386884074602050910746797344379051829404349549370200981010093045516035907029960245832474543828225514791880804011133299139834687248478094748594066246816685585171521199696564003517050264493152230073023109027362452613527774832287607552661223249548697386860700885815383402243724949417258547718678639073855227418842495289364197420769295463700882169870688275731110879879963255291759662159460356138899307626083098006561089960490849821220865014229273195167875994835623272321067513682112542830581161663519554894824774575505215738602604881147161369584716304881602291841799726198865858715525768198856209950309969645103227020827286228207493021969247932500379642871159470120238961624788497648562129614036975803373483933118685356062860989530906098217283418939879474231817169215876464964572623623891288905405187601274623400911408617609177857492500603518927880046983407198395803844684252361282968428493537754970530911172920150149860515313888379273172990361566039918224729924921289504935950444573747543826118018821181747808331538276414269447001
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 89 of the certificate chain of a 3,195-digit prime (230 intermediate primes).

Certified number3,195-digit prime
Certificatedownload
Certificate chainshow step 89 of 230

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000010595901585 --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":1100000010595901585},"decimal":true,"detail":2}}'