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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 #1100000009069116571 1,157 digits created 2026-08-10

Value

13706181908766777156306278181774902722424099731354760301339972162086185297090905355917222694023574809890314730133444775352210293516195882362300517207784914213602836011897305588137247201860592564870284443114728486782361014886293976112333423503209165659297027380060614544470586429929790567267543112597417451471268266628595390035525354390286468691859469812758831190182302523389501706477460327346969822366149192721122615355680621564139799454103592942337856911839295694635736399404630501552306506618017602170296588335338118625110814674132783573800546937806249474760174998233935094928062563154919708345765595559368275049801985105305523671748890837573699206203054866700845460481524712445900099487392580322725370548430070077191519301330108363265994651720536742409885191490437538333369035069246780107630407465152156710467355484469823537412192146265668167628447168822803654931320145340431236775091089031496932781610112496723627907040871192189685572136112055123396462592281810820018051867974363407942262605443349472557733714820955521469060455711730418189852414546665985740003397830287908666157181973024097220333209739334433318360335632037296576764167589383520595830859
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 67 of the certificate chain of a 2,001-digit prime (152 intermediate primes).

Certified number2,001-digit prime
Certificatedownload
Certificate chainshow step 67 of 152

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009069116571 --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":1100000009069116571},"decimal":true,"detail":2}}'