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Express 256 as a power of a prime number.

Class 7Prime Factors in Exponent FormNumber System

A $4^{4}$
B $2^{6}$
C $2^{8}$
D $1 6^{2}$

Step-by-Step Solution

256 =

2 \times 2

× ... (eight 2s) =

2^{8} . 4^{4}

and

1 6^{2}

also equal 256, but 4 and 16 are not prime.

2^{6} = 64

.

Answer: C)

2^{8}

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