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 #1100000009091972861 1,204 digits created 2026-08-18

Value

1694151231852272649427665199253695209250648007702063339563354943895314648844893151882580464222921723399436432472105318180159060405472223789246703463254402894500155176373724983189906591771951851033919809079560053578937455870111545285987542944540892360128142464767656591308044021520185465235404259569367521277067274386923159983374884458606219020950845190211589741200878768547910205291586387448487095409038208097350143617233808773218433766785731260314348340647155079933043053685523926834626755002906536363845725773985203629704061132616265731360928894626615450149013294517811770597805077984071306034884816486046562794297805578090410927233282413436954055973449295371142954890671155395846509850199036793902342629070185912467230083737648404643649365077297173537316433968212839554819287871024641874003293957229056599904492883405760094588912369050360449185677716488834335938786091493515242684637509662593537377913812757794536092614172525715938493753017166026647197489700174045426340337643120860120007491139914158776477300939915037080554925280953891889286329558895281703513603249796508210696010723516057910443079582084044203462485806717382188609262916497027166960730048389804652565498411911236825887611931482953719
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 74 of the certificate chain of a 2,091-digit prime (169 intermediate primes).

Certified number2,091-digit prime
Certificatedownload
Certificate chainshow step 74 of 169

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009091972861 --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":1100000009091972861},"decimal":true,"detail":2}}'