A positive integer n is said to be “prime-saturated” if the product of all the different positive prime factors of n is less than the square root of n. What is the greatest two-digit prime-saturated integer?
99
98
97
96
95
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理解了定义后,只能一个个拆分一个个算了
理解了定义后,只能一个个拆分一个个算了
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