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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 #1100000004970201007 1,208 digits created 2023-10-26

Value

42616988714357275192214774456869633079274972976169202979224982873869566960552403878249166228116323620159183627958388389466101326394327690148005534987315813195613417033138885819227885693556829581738358185806255402222015304654821103005725937922369902351847946163671324048087488924679818592457689813859249130694028788470779920690550462828733549974355827134446227056604217611898105218888869813554126797352230677764864889197510158477865672461483045091068293237541945177079492686398579535460797261245314535961129487898045430631349080714612403742483111899840550943501817979475685601996948091157267297904031054152226808859910814989549625808169569095099666662466136649567356720093299921422085111157948348506698480374860516791624513469135681839117301874069230300607196531532265605877856417075308497045366501493439848881777311184729765796375411173701010112683417037466650428144428296610405721932632550412897455132669269719290477302386731558348423463824522208558496075413095174165099890931207340381779139259170984855084405333787821727496671419010989967634744108892137877996199510602322972173102701564683377529180662914968593061323915258443393455338920108140841570030642349512186058515434100516610394073776001949022465843
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 7 of the certificate chain of a 1,257-digit prime (178 intermediate primes).

Certified number1,257-digit prime
Certificatedownload
Certificate chainshow step 7 of 178

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004970201007 --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":1100000004970201007},"decimal":true,"detail":2}}'