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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 #1100000008680843880 2,492 digits created 2026-03-12

Value

45360715571295041774859153060268997819820499749479063059984018713377124114787422105802396544305589089813492163457236910147484880126435838494923856017786090104097258629125987368387028294929414395480297534801124612003786413778824914249805253488097467676912714414818694883169488033052992504498655956416342058340600801890578679821525304167581524805762330068936999385048983876494185245461140021845965435858469254120628011744078163552916859355042968276311003998905685733302153225401000834818013932265199063632795473147580673960931880969915456733788315137082547871627485798350230213370311398148456937326880813567981519488625037849706707347499260602966047558709340205123866120712389896335312133572085306394306084386970494991811663475920283458826572904274677807302205096773773145356530296737142391976980691506975332479716100874038860961873376483777251337600168607579262176082515446617001668627546779895286923526168066774509814841509027080024858613645642827936179248142841531105193320357753605583809845395315338321852053575501312307424879763918277288773885943011182168117836315136010888716818812445382754313923880524552921359018823720678537860579753246248237788225333881420260501349416549866358626785024715028163607907693416935646003448049218325578352605637447782860510142691165655725441166120668093208455768746935995384210333320067176054566296455086176923677218809337323110406409780590786884231233935133436016717804085935824007307200793862720512623329171468034638350486698914460361593933093471164748682732906648387954031957095160770676047039938926643709609341739723509316753066542846919091856932787290055613733362293853832088994978089869106282349957661381480229318935695098220468476992519869799876723140833321638350295255801860850122997338020254402787772277164049428590504061423708991393776775968679051163878991074898950775872982954928977502009273856093560812459320988653718781946043210697161893989335612379103618448447625789424977225777885617396184871640540475632513594857545801604348453097892866829009876625825342059927136962887840267573933521104114433047973941076116622138219990572088211194610526828087188665445125639835495883724298691023728944160680194206931445475430684517506766004016628764516446402900278567838099711779857361898842800837348613895358175977987984125594008228461348595633415355268426711902502090815422269137336500640624067101004172984543102003349039728691004318537818349530738848223200956987001500317224262696201489820283006861517307210762875232153817731290119084802826874680001729
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 10 of the certificate chain of a 2,622-digit prime (173 intermediate primes).

Certified number2,622-digit prime
Certificatedownload
Certificate chainshow step 10 of 173

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008680843880 --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":1100000008680843880},"decimal":true,"detail":2}}'