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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 #1100000009058073472 1,302 digits created 2026-08-08

Value

866287151486281808137143712769848398342448029093375350718791699845047903296324975918407154042820865056184879501157687249981544334223073204723285062816040319205868500084523741338257450049563298523425222514655526114884576862013773932041896494324881747449975308281456829751617470241821686779194588783624266934295440420928016227331837208255296193344611789945923706859669495867080859330744473325621391318855592993529110876446678055857667129880970637747785027923803347098654285288815088428659761640690106676251975247285819012451147798474127766077747729348128047158088121139613224748202189444290666285079677577920209166766061844757183438536273800165660348693372748312670079681082407096247207428174071430371768561958330085302423262905344639869887306128596717490371640337885979465096737829842536858070971081283518760643424807491350780996898083380261236721635170392951958947300683860040986837479946916249806094005135939172842690383278077336137057176621691819735014884183544509059611268110280283273649201471530441356664207520550668428858767196457118354177242975826050495780475766414113215084001134694343301113435720103141343619025787119946754254641296256009965540667746554632012349469225701676457866269969483399315941213236875059315108327361033230454750815170367338408658054011199987977807842106474770741745811983
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 31 of the certificate chain of a 1,680-digit prime (138 intermediate primes).

Certified number1,680-digit prime
Certificatedownload
Certificate chainshow step 31 of 138

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009058073472 --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":1100000009058073472},"decimal":true,"detail":2}}'