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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 #1100000004975157890 1,187 digits created 2023-10-26

Value

70407237419312395358572181208771628932855690485661710683562910184541044243385045303320455200917863456142049261827277289886922505210979207468110630731848841110842831424620463074805686565317206094683990532573213184872244346707549266357519595829885436473295328590801651840696425679698665250540878212579517572994369164101742736246612976277345316595175812374078445884245795960852072426116728526587559179727575305111531652791386427385173830534295159399139527987681416504738943482382593272780414746241868724379411747105948443799465863808673522968127018809515095827087000498219942054981843439079168446414240209851409821858612209031767316114143836594032019706939421307139443222759948871822484901493825700366654527368458961803095318963591720783179177366025729494541896787865847008072580737329493616777471117987870141066239440540753321887950696097403510267158818687275705894226349056411229462700220478953689194038835105771472834922176061829222384458544504554364870384790869543880084208398864606210923388525150604443177464432909049298082624748309636375721054785460777603807496244243812352886228656193201312437572743715214748644062786120287550796890752356674618330838158972767480775559142713579755379
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 2 of the certificate chain of a 1,203-digit prime (176 intermediate primes).

Certified number1,203-digit prime
Certificatedownload
Certificate chainshow step 2 of 176

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004975157890 --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":1100000004975157890},"decimal":true,"detail":2}}'