2021 April MIMC 10 Problems/Problem 20

Given that $y=24\cdot 34\cdot 67\cdot 89$ . Given that the product of the even divisors is $a$ , and the product of the odd divisors is $b$ . Find $a \colon b^4$ .

$\textbf{(A)} ~512:1 \qquad\textbf{(B)} ~1024:1 \qquad\textbf{(C)} ~2^{64}:1 \qquad\textbf{(D)} ~2^{80}:1 \qquad\textbf{(E)} 2^{160}:1 \qquad$

Solution

To be Released on April 26th.

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2021 April MIMC 10 Problems/Problem 20

Solution