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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 #1100000009068980739 2,078 digits created 2026-08-10

Value

65968675553786798875363286192433214565148782406822695748486478590780342370901846771064647484286595032820236585375355357223718860113663514767721191537223834765669993500882142061498715648197183017245071625454638953570845023394609471138398607133628549254529551961191609795004786721926365430298719472184602701669803006813855307288036506659919965921435252781885330537053837663696142696632570573293989362407466503624852506695350321040387815645067813186874550176485496119504243958126352801689403862954676845863472680040706385967745075736899676521420257804790909232320052258837876760663074575646800269168316997725014594991931771707711921013500324787229001196591983214771045325937045644386799135121760500078392359616255924183524177981259823981018394485075057471188239516848008601036171063971606132690654952278916611651427245206692943447590798322628679347224694324267773912460255278208661836939415572214681477660054063485448759877916167864140315458223898130250237610488855908214044657280497144102919049549105167268416362252375238683770463793878510427184892376344594067507257744410635583947100904075406336144313349340827213135794555383953093885294930946661005782832631297593884299558966479123434165634431525914238530083130736386129300706014866942854012930696745895210754806146099630425831043033034480222104399334048322784339617849599197513879017899468371394521533862463488374969650453632419742541541298653101836608805910171362775861331428274418172434396410177548161603129467515981339670716221849503578107748994451873920385622072595889081510353882223553883863644101602120223644384035092023740030455350381125681030506878706150979163997643462299304874563299599397871708237580135042443842252739804407655343201992627745303002573108196275213969626952159164300937725220058180329477080561538038302259489042488684077050338211347352078809042423606879607319219066826873656139405777104649165935463354571250930081556896375532299047233562307217884137047278339589487673938327957445489122138089847682264788617341366379627733065913970614662205404044711563966036759741819926099881689551299448956416243777061
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 38 of the certificate chain of a 2,640-digit prime (196 intermediate primes).

Certified number2,640-digit prime
Certificatedownload
Certificate chainshow step 38 of 196

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009068980739 --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":1100000009068980739},"decimal":true,"detail":2}}'