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 #1100000009084210178 1,403 digits created 2026-08-14

Value

84925740783663424286903077825976914820101350433704820830394145306590679126147541230356223971890450286026724628927686975432595540605919738457508243722106996337188593917768739311953879431192606000913028825635184174004964047276512078128516659271202504871709583829071073167525487846880713045930603103194697245720436562258971129493231882989167583074745435457247810511820670618060155230841383783435825848590028325212275108453235019096351859526500509631379997260338945506864803147078606465012352402655062118947451848892291130053833682784946864975361835588686555085925620953935411838640115759145330349641484837408329349825445625357735523562861832514539122223860393385491258732165409838253391587151251371656107251621824515366462522680959031423308797904059816226234379649740989402863962153682952525808166458868566506768841231212181370887604296025010301468190494973124327125130620397177085095833164221484144818823444373932271635900693657142662940022858965287732212999568880090073070434140287284714991637163551174318605056794721796706867475506260016222826763083718791968921519606999332237682370038952080147903754078109019016136160681129819700668288487247450851506832538056045016496492138826044213552834029766418683683142584578383284921480206741049430581197209209052039660007167146287476090828314633334257888314676696985808857125288931272037463389531535847216010603446078306950115369878997229791839283047324128926641
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 48 of the certificate chain of a 1,950-digit prime (154 intermediate primes).

Certified number1,950-digit prime
Certificatedownload
Certificate chainshow step 48 of 154

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009084210178 --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":1100000009084210178},"decimal":true,"detail":2}}'