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 #1100000008375789347 899 digits created 2025-08-11

Value

47707956861120933555497659115825685027170682032961799075228168283910079861346022019211339983801035811042419471355421033556202126473006085838226993733049022940222602630159434488430486796041380814203752040172423704426526685230159407743981874646959091822091950976484831005224747343940681640809586936302432852343883383631923208610307256433935702507539119766713601254312414065342585639832830960268669344589952980943185467042232908068732559786935730338149497187742795239791952565634328303234754669207807020110840692868091171988307397450356373643211104366764105325565642891869752168095008482665334211184060528098049812823458767398306111996761427682837806301989602209805769130106867777039140746787059175229567079199861553290359280153806158371228797248393911989925808269870173268434878324932603958587019620021238318873409645576621336641141483407248802086962448706841587658823101184404412685512880976861841359
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 67 of the certificate chain of a 1,562-digit prime (171 intermediate primes).

Certified number1,562-digit prime
Certificatedownload
Certificate chainshow step 67 of 171

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008375789347 --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":1100000008375789347},"decimal":true,"detail":2}}'