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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 #1100000004966887201 1,182 digits created 2023-10-26

Value

246393378778574311304158454902563169166835463275339550079515461506100355561805656979897395075406629699861528853610254126154308529309595135813303313347692666873958948948173310283026691897427589371616487046566591126316211585888584488107557616418009512244613578492543170730291385384311913247242947356027490289281035588494121425949282825548292440513355546508245610629348858345131221431402030370510792713935348264310924509308173944578452394491293110408919687382192356912442849762233720913485192137094014550123161102369412835638946247330988763144281998703152226475299459945386628308211049293770591906736556131689562362308660586417048032808395648553773335353430828528490917110823165818087805010432562129528696599113858903717374820303856788822293604270205086093890958598791563790212865457302971630553328699421405039666971787028847696452450833614470822992306349609451814604768544429395699602228257630413883845371590960303253044611503573051850810535984970027382816312662051854775381029263308937644100489943691768393052311806730992197063537204990498856803245638763770849648499104667539345628134015703428739997353676429494664910364929778943178051752455569927010592189334542500261696812627141283
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 20 of the certificate chain of a 1,290-digit prime (201 intermediate primes).

Certified number1,290-digit prime
Certificatedownload
Certificate chainshow step 20 of 201

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004966887201 --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":1100000004966887201},"decimal":true,"detail":2}}'