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5 July, 14:33

Can 57 rows be divided into a number of equal sections? explain how you found your answer?

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  1. 5 July, 14:47
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    You need to find out if 57 can be divided evenly by a number other than 1 and 57.

    57 is odd, so it is not divisible by 2.

    The digits of 57 are 5 and 7. Add 5 + 7 to get 12. Since 12 is divisible by 3 (12/3 = 4), then 57 is also divisible by 3.

    57/3 = 19

    19 is a prime number, so the only factors of 57 are 1, 3, 19, 57.

    57 rows can be divided into 19 sections of 3 rows each or 3 sections of 19 rows each.
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