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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 #1100000008676271842 1,811 digits created 2026-03-10

Value

80766392455166863507769234476073147838731520984356854955419146713527156470256160164741812517667178834566056090714777675278955761822473392189851044888041100759590196344921158676178276824721818272950019698016242127646407030065582960787199940397229188444518598113003896397472620898075245026459809978098062148127275803299454446374164316898300551452379216147778261812530561097083098544793136010210474945325624812252633310438397574275370701536027972998035304804687630614712135043999429577337455393652267075324272239476673383067078425271474658383235404995222971702194843337859393176022237892659400613753674273618828257153579743384147387127104114625145715862546236392806152232784741020568965854728856177771108114376670358774441329166137443255570760628254210113432847568567790001681730821843485591976189422041952928265101869396287082064571475509989936963799856167915540260909322136931313329215287752264762508791162517050399586540363400924097651308915307265019021832158109191783567236781331860398616833655346948934907857323114649611524312523023890617400330968107085007866792898157563091947836681218581996888767015364177844492731707115275739961886440571142633728390987151703931948319761415956317719598057533277749517394631902208042613990105389174674685162466772814393330361566084963067432212133948912381383513691312592860612801715641422305622501574216889755600695554778412159127261456684561311942944630559613798540730798464009670768450727200192775927932152324946324289455196634661363453316743408544070212335262698654262063310712215718646016838477131750931207388914087777890481662859102097014187814564577482251853711641927667493779850062709756945396425027560771548610790075674208735210808378052739050075576165222319511878257011922129062518971846828523082114200998734372306230264295290914866307235437056491756518288770872731
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 92 of the certificate chain of a 2,915-digit prime (222 intermediate primes).

Certified number2,915-digit prime
Certificatedownload
Certificate chainshow step 92 of 222

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676271842 --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":1100000008676271842},"decimal":true,"detail":2}}'