11

2^9 * 3^4 * 5^4 * 7^4 * 11^4 *13^4 *17*19*23*29*31
since 2^5 < 37 (the 12th prime), it is better off to have 2^9 than to have 2^4*37.

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• 回复：11 -seemyanswe- ♀ (9 bytes) () 08/31/2004 postreply 11:20:19