find the smallest number that must be multiplied to 6561 to make it a perfect cube
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Answered by
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Performing prime factorization of 6561,
we get
6561=3×3×3×3×3×3×3×3
6561=(3×3×3)×(3×3×3)×3×3
After grouping of the equal factors in 3’s, it’s seen that 3×3 is left ungrouped in 3’s.
In order to complete it in triplet, we should multiply it by 3.
Hence, required smallest number =3
and cube root of the product =3×3×3=27
Answered by
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Step-by-step explanation:
Performing prime factorization of 6561,
we get
6561=3×3×3×3×3×3×3×3
6561=(3×3×3)×(3×3×3)×3×3
After grouping of the equal factors in 3’s, it’s seen that 3×3 is left ungrouped in 3’s.
In order to complete it in triplet, we should multiply it by 3.
Hence, required smallest number =3
and cube root of the product =3×3×3=27
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