For every positive 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 is
A. betwween 2 and 10
B. betwween 10 and 20
A. betwween 20 and 30
A. betwween 30 and 40
A. more than 40
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