Page 135 - Numbertheory

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32n +1 n ()

7( ) 5( ) 3( ) 2()

1080 ( ) dcba [MAӨ 2003] ( )

6p2 +1 lcm (a4b 3c 2d , a7b 5c 3d , a5b 4c 3d 2 )

576 ( ) 210 ( ) 120 ( )
()
4p2 +1 p

3() 2( ) 1( ) 0()
[Cayley 2009] ( )

19 ( ) 17 ( ) 13 ( ) 11 ( )
[Fermat 2011] ( )

. ()
.
. ()
.4
()

()

gcd (8!, 800) ( )

180 ( ) 160 ( ) 150 ( ) 140 ( )

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