What is the smallest positive integer n for which n∗7! is an integer?

What is the smallest positive integer n for which n∗7! is...

Free Practice Question

PS · Problem Solving

505-555

Number Properties

What is the smallest positive integer

n

for which

\sqrt{n∗7!}

is an integer?

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A

14

B

35

C

70

D

105

E

210

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