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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 #1100000004949783946 1,242 digits created 2023-10-25

Value

218830816210124314915005485857861780691402629868661618980867171726733298862425730788940261273864017540737623642275509280572668205657954965848624967726723604686401830825766020599475790653481091035018401028246861676923407117576114903963907649011566437475259544541992207915411504243451936958342633799832944664573831489333707198591522076636913051655858019675628443461274803999589848537936312421998785917908775601755339118662607265521668848857303287330820218713462759225390119386268384341252063780862829763610886382273542274837101723797575112440332230169283279571773115280195933391598221079369767042898185201651850655336711108336360108079698956816818923687072355503540432261543310810062837709442424761367719156864679763215983112901238302288166596992413408971748303366061132229493936881139860506154757275782060637909492050743874100903607831710847346993641916709166459045340247985700637605814939692691352701668959101080988529344695958165353687201459492668298347583425398054762358694451837348617853839505881316572016112680326351315447603918915362891028701862712396970523034342874966470262759300220190787140938052316096638064563979007830536531797628529248072344901796899182718285566274448307425979493166993433338446128036481058989271260623423812730507
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 25 of the certificate chain of a 1,512-digit prime (174 intermediate primes).

Certified number1,512-digit prime
Certificatedownload
Certificate chainshow step 25 of 174

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004949783946 --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":1100000004949783946},"decimal":true,"detail":2}}'