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Quick factors (Posted on 2019-01-31)

The number 2⁴⁸ - 1 is exactly divisible by what two numbers between 60 and 70?

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d1: the number 2⁴⁸ - 1 is divisible by 2^12 - 1 (=(2^6 - 1)*(2^6+- 1))

ANSWER : 63 & 65<br>

Edited on January 31, 2019, 10:09 am

Posted by Ady TZIDON on 2019-01-31 10:06:03

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