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 #1100000009079855185 1,195 digits created 2026-08-12

Value

2436888818958456793813768600876767750190414028943476570566323849580781706867047167552257222489537916992016051480245683540901260106287533511751987774680912256593997213547699395372958428370002989404593744918805074461280644132763091207526110984397836895839896888005998102690989430106012652608558125210225700214326457496195121951267524041570279477135552041506245865476762912933124499144984725989037832144233908498188202320504822447382459409571708741806137267105002192154709019754613157087853000714522645572051908010081841494676307854891666637579894753254639456201425432611186553866416426660416264627670361913180099353798657349965244177754592812214486723056765041701823934997359050170315949079081751072455724203773506063710206309481751948334462006806574396841236669579263162539532425599562490262974900057895521876612191525591484984490224692477516063208702990662216365457542210582163261836282681026047524656752960807194535531707741677040886272703953836614346250907818927563999926368728248534416336310134191403436162550570442315826254391066626185257577610259892923389369359266692603256720170079108055586427977154653064879431725149524322010097755733795797135485026481191766289853942483172630153799946539
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 56 of the certificate chain of a 1,857-digit prime (150 intermediate primes).

Certified number1,857-digit prime
Certificatedownload
Certificate chainshow step 56 of 150

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079855185 --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":1100000009079855185},"decimal":true,"detail":2}}'