factordbrpc · fdb
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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.

C · No factor known
id #1100000004121458515 678 digits created 2022-12-24

Value

564515953221788866156971337352548781136685004596774689260179628379073676187929834712061453726980497235959767769212719549627244252641565197622197521915078532914023704524786272687316215132335693935028763322938464188946002937674353668256883997743973906263219031297744104105948897860229715335057284214445580604950016491463844526492061576496060025653771908484316377863702450030536847864057950713747904704172093098706250096886934713734668219926509020081287280718698326429160665505495446810741117563059171619504722767415015938176667765250018879943042990122025157250658158971330380246627429926870364577337350936556248827721808885243643688294909327009698285781358534945624300237889526047
term (2520^247+1)/247889055900529074872732477394697379400367933508628795683104881806…
Is factor of
Trial factoring & ECM effort 10 · TF complete · 1 ECM stage

Work the background scanners have done on this number, from its position in the scanner queue.

Trial division up to 100G
ECM effort P-1 B1=500000 next: P+1 c=3 B1=50000

Report factors

Paste anything - plain factors, a GMP-ECM run, a factor list. Every number found is checked for divisibility here; the ones that divide are submitted.

From the command linefdb · curl
fdb
fdb number id:1100000004121458515 --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":1100000004121458515},"decimal":true,"detail":2}}'