Posted by **Lily** on Sunday, September 14, 2008 at 4:18pm.

1)List all #s less than 100 with exactly 5 factors.

For this I got 16 , 36, 64, and 81.

2)Find the next 2 #s, each greater than 100, that have exactly 5 factors.

This is the problem I am having trouble with.

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