The integers in set {7, 8, 9, 11} are pairwise relatively prime.( )
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The great common divisor of 123 and 277 is ______ 。
The great common divisor of 1529 and 14039 is ______ 。
How many bytes are required to encode 19 bits of data?( )
A. 1
B. 2
C. 3
D. 4
How many bytes are required to encode 4 bits of data?( )
A. 1
B. 2
C. 3
D. 4
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