Topic: divisible by 8 list of topics
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	4821x14y is an 8-digit number divisible by 72		2014-08-06
		From RAYA: if 4821x14y is an 8-digit number divisible by 72. How many values can x and y take? Answered by Penny Nom.
	The square of any odd number, decreased by 1, is divisible by 8		2012-11-16
		From bailey: Prove that the square of any odd number, decreased by 1, is divisible by 8 Answered by Penny Nom.

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