Page 125 - Numbertheory

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. 25 17 n 2 . n 2 = p 4q 4 n 2 = p 16
. 25 +17 = 42

32639 [MAӨ 2009] ( )

.

384 ( ) 381 ( ) 378 ( ) 356 ( )

. 16320 ≈ 128 32639 ≈ 16320 :( )
2
32639 = 257
. 127 128 127

.127 + 257 = 384

5N 2000 [Aust.MC 2000] ( )

16 ( ) N 8( ) 6 ()

13 ( )

5 N 2000 : ( ) N

.N >5 . N >5 2000 − 5 = 1995 = 3× 5× 7 ×19

531 16 1995
N
.13

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