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Smallest Prime Factor

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by KItuz » Sun Jun 26, 2011 7:24 pm
Can you explain how to solve this?

For every even integer n, the function h(n) is defined to be the product of all the even integers from 2 to n, inclusive. If p is the smallest prime factor of h(100) + 1, then p i
a] between 2 & 10
b] between 10 & 20
c] between 20 & 30
d] between 30 & 40
e] greater than 40
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by GMATGuruNY » Sun Jun 26, 2011 8:04 pm
KItuz wrote:Can you explain how to solve this?

For every even integer n, the function h(n) is defined to be the product of all the even integers from 2 to n, inclusive. If p is the smallest prime factor of h(100) + 1, then p i
a] between 2 & 10
b] between 10 & 20
c] between 20 & 30
d] between 30 & 40
e] greater than 40
I posted an explanation here:

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