Tough Extra Credit Question!!!! Please Help!!!

[asiam1919]

The number

is greater than 1,400,000 and has four different prime factors. If

is a positive odd integer, what is the least possible value of

?

 

[Deleted member 4993]

The number

is greater than 1,400,000 and has four different prime factors. If

is a positive odd integer, what is the least possible value of

?

Hint: Calculate n≥ ? (what positive integer) if n² ≥ 140 * 10⁴

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