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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 #1100000004970200978 1,217 digits created 2023-10-26

Value

11643451795685521120393263581456007869865031992753408985281353221469061058469065737153906983175499003796033379202605881094113247731095797265821025554236849182735653848270178001249951865216172987282575683126629420080478754405838397677238819140211005877731026309927403423205971413132560579491621452698414568603853822587543584538765613990086701747420666834345199573491466709511057681093403425065671635481940147988231483558769549440566823472501527127245810817483330292625160409805419690339763430087899603549574952733022230253345705047802053176601058409171293782665505434415883092131159601379746554776712861487790755269345644581466593370530754268210196468132285115533777600079343278730751025100557951359483502301967144480038778364984494845038366058097516013284168510976258654451991177358659043564938892528298056892631976865220809025057414212180342460918563660425363029210589615047042881548182678669491871620143623913276069200115462596411361763191808771914666352954004173941621484593364759764492337017949441251405931784027315410953304486059494593755257397592989198356364589620091599735009501899140433869121370834101752623399533705218902200694465497174048354734140083121355634620932584079249008514370578626600792840364930519
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 6 of the certificate chain of a 1,257-digit prime (178 intermediate primes).

Certified number1,257-digit prime
Certificatedownload
Certificate chainshow step 6 of 178

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004970200978 --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":1100000004970200978},"decimal":true,"detail":2}}'