Question

$$Which of the following is not completely divisible in: $16^{200}-2^{400}$

• A. 3
• B. 2
• C. 20
• D. 16

Answer 1

Answer:

D. 16

$16^{200}-2^{400}$

$=4^{400}-4^{200}$

$${n = 400 ; even}, 16+4 and 16-4 are completely divisible in it.</p><p style="color: rgb(0,0,0); margin-top: 2px; margin-bottom: 2px" data-pxy="true">$$20,12 are completely divisible in it.