9080191
(another
Prime Pages
' Curiosity)
Curios:
Index
Keywords
Home
Random
Glossary
The book!
Previous
Next
Random
Curios Search:
Participate:
Mail Editor
Submit Curio
Prime Puzzio
Test Number
The first
composite number
(2131*4261) to be a
strong probable prime
to bases 31 and 73 (the pair of bases that yield the largest first "false" result using
strong probable prime
tests).
Prime Curios! © 2000-2018 (
all rights reserved
)