It is known that 248-1 can be divided by some two integers between 60 and 70, then the two numbers are () A. 61，62B. 61，63C. 63，65D. 65，67

248-1 = (224) 2-1 = (224 + 1) (224-1) = (224 + 1) (212 + 1) (212-1) = (224 + 1) (212 + 1) (26 + 1) (26-1) = 63 × 65 × (224 + 1) (212 + 1), then the two numbers are 63 and 65 respectively

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