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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 #1100000009117425660 1,784 digits created 2026-08-28

Value

86863964858997051579427481292326353381972915882193198995402989729010220446857225790115875569410693174171392621150854365702576050115893379964380149316904709896706747449540892067025630497661982079212734077219680361524694357169221420720053462411682071916494245867009218439358702556125017678140916537484428689406842529354453374936583768877725783121827871179793256289009625968905452679140527120910939967221377108169129743625458579763746736980731956521315686789244866527564653051151156030058986853803773257435385172384381916803191559505145156308888330353324540297681635994959944754896898518628072239844871018476944923644035269708835503321389206993236419266530455622318143511079582261554895012148864787642173848721303437859690783621731232801957020264195991837375801122692519981922208624051921253172415291826521835812173008151968877458593722856697523747429358154594246064472163054783184325124959380676431924530372152043117875040273258452379606899341799598928020179307573210200821456849970566996778616089906097168995399768770489429365895488337045601820909535144491874485763941116274721380905134485527013984836038792184389124264281695031547298846406612825425444715500376194972959872723015516092207643183701480092347117389511381775081078225802898329695096954536934669658602280924049456708985587553226626476688961213402458018638212214899059651995359033957523779749840623025856063902924288441967430747347802709136354902102497864261677908366357348028939082577931192741126261609811922370302031249881938701133362858943862772049464058556819010580461754293088720746584392289150162022524423646183968236650106731707440634682515073359904607779389305557452099179890216008980027677670255786179005146124589628170110871169282687760698768586218348801560391957201524141201350377945721597021006662153660653900051
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 97 of the certificate chain of a 3,029-digit prime (223 intermediate primes).

Certified number3,029-digit prime
Certificatedownload
Certificate chainshow step 97 of 223

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009117425660 --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":1100000009117425660},"decimal":true,"detail":2}}'