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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 #1100000004870657011 1,613 digits created 2023-10-25

Value

28253585872870520534973917157087922579086290691614057192370700957850699025065678366921492837336228042197484647227653186289920789906296230465450145541637250269092510289295570271181828161001835443986905583391237073615853735684839720140201536827639855588670823888780515379079304541441668230127684741607470894704561366188582859263055728456316220155742329648178056121586078577071009695552407602098549071036475585223559739043071245919022379578140475209513134525110309597693760458755688478813692709647123158166864421609675033335348310814948801399259236773432626340293531390522584031743916316655021682832394511112475818425196438179200663320545867067242443022146956780905543786734875521053416550490073259464262347866890330109184128756756457257004254395556614630817050071866479094749967435067110672695119759192597838040045679208344713532485082053467782246546676541077359973088597082106737713137116140386268885085811995712763526793345255896798497317937911222876985105924452478650423194243046132875289708438911101427418244518789191974705494144659969988863322155177370734975967071704968028327026579090916708037481982936130488722794829421524521774534164819786850522537537516113790581962685925616491955013540178914644284553991607553328217609490008944897088151863959092994453658429404147152381977868654079738460850691073645038027811676252103821989560828640220103949205003583760661892990480552252431013775253058288246039576734621810554999068284778279392990428701620424030555076432631569795890424205761093049621198654902346212061860868298434419736492067530378491153391651607073648496124760210315408569372060043462258466579834155139
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 99 of the certificate chain of a 2,631-digit prime (295 intermediate primes).

Certified number2,631-digit prime
Certificatedownload
Certificate chainshow step 99 of 295

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004870657011 --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":1100000004870657011},"decimal":true,"detail":2}}'