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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 #1100000004874389847 1,820 digits created 2023-10-25

Value

10995284236953612780200187444572814994831420493655475004881462139171026912254407240156030806548264681156649410824622550800665787491695244059915486643690544143909192196294432414120727002196876557958575869673464231773778529778239146717211085747839687569520418978561143134523546655468567213801097643406796570244512624126296492376870811197202156291550478987197793076191274059397837923398122871181420177370977401577783553658167243411969743390119281479223284338625627946935339727352383866712098051649743093610817590296290920158644907498453815374122456231319749798383512974809599310098202506858361445270731694203324198806434426027398748377286295364933772802678422858531947323900295920268068984541396645267317699244847668126359125625768880039724120478765222889957989205149221815751294328914184656382543580061393118137673874197074058136086647627872106261380796844047738856303511376771530635127026605924143116559822730716685012768161617447561268372704831917682805572837801236142381522024172152902711848014515128719922283059665736628668352024368705342636570787438730582454648416423443867906143614572644249877923150174124602882387555676961753473785332203424881081833478711377132447790238007627492519262284546447564697474172348116398036965016363604074216364297899318057071266865138302628664229995142055356392935363789237078615213786456636145351453686356931063008375224075328569046299202434933326661585136770506462432195059747448588402764673483370572154246157460280232195007021192296302794023772604946567870922115734533581091714303591319973167541009694474539722807020846597620714527356810562602839012571343372814174381668115486202987601593445806260564712053536865826922392100154253519888482567868455600505058799310727738398981873709992259239612632263736880386120801220339459035541355364819836276065871995656700157924965804017109262653
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 100 of the certificate chain of a 2,523-digit prime (349 intermediate primes).

Certified number2,523-digit prime
Certificatedownload
Certificate chainshow step 100 of 349

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004874389847 --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":1100000004874389847},"decimal":true,"detail":2}}'