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Which of the following exactly divides x, where x is the sum of the [#permalink]
(2+3+5+7) + (11+13+17+19) + (23+29) + (31+37) + (41+43+47)
= 17 + 60 + 52 + 68 + 131
= 260 + 68
= 4(65 + 17)
= 4 * 82
= 8 * 41

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Re: Which of the following exactly divides x, where x is the sum of the [#permalink]
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Re: Which of the following exactly divides x, where x is the sum of the [#permalink]
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