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Math Equations
Sunday, May 18, 2014
A fun fact about divisibility
If and only if
gcd
(
a
,
b
)
=
1
there exists a positive
x
such that
b
|
a
x
−
1
. This means that all rational numbers can be expressed as
z
(
a
x
−
1
)
a
y
using any
a
≥
2
.
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