Mathematics, 06.06.2020 22:03 cait0820
Let Z be a 6-digit positive integer, such as 247247, whose first three digits are the same as its last three digits taken in the same order. Which of the following numbers must also be a factor of Z?
A) 11 B) 19 C) 101 D) 111 E) 1111
Please explain why the answer works!!
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Let Z be a 6-digit positive integer, such as 247247, whose first three digits are the same as its la...
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