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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 #1100000008753399358 1,625 digits created 2026-04-14

Value

49458913560024442639115960313617396718689850944411965643916740235669921975970838289848217110804712560473698670639358151570097082822554624410499745462866160355717053800870141106477882394009478968058681052267762252682388548577113336425383374862782770156464085090395647310339325213432596965790392886595169708810036400456768931234925463424110183970084314924479536835329932224035439591227597863139526769119851597078150521248935152231484459219890034487632495291286061306096295485914795542543925873609027336684784232508228233725490404282496160078963299104534740207853910655146791249424042979921578044357461807062067956471457428775652623273507505829449041623027162986920457627736591233893245327514024029145488738078852064506395715987119594588882944389937929395437019244974039927582437089347799189604071731814915195057019329291503776717210818167903066531842647138701895272750452069925074913163283390616960997856252057297929368395608333102503388567577402028243559734136766062010798489231755756862944506493363549937953319877041314486890895785913651440326212961231158488856029481392140465512113132141556205414317581769934393013276881040193996164012304967768697046562749100246279643747662536611932291026582845934196862722701615401208375989417392883781453412633497080856776485433042866477217763592687669357168963772570596599772673399774846200180064409599033162586548730969674803239247044548674278588111892478460830130791401343771982467524364588197864039032760578012142951917018509520381403581980132471917394650200158155657780860984890228224703008269089515497562281100810110721083086539025491841371908893115638648248947514247656268472828509
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 95 of the certificate chain of a 2,746-digit prime (208 intermediate primes).

Certified number2,746-digit prime
Certificatedownload
Certificate chainshow step 95 of 208

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008753399358 --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":1100000008753399358},"decimal":true,"detail":2}}'