2744 written as a product of its primes is2 - 2 - 2 - 7 - 7 -2 - 2 - 7 - 7 - 72 - 2 - 7 - 72 - 2 - 2 - 7 - 7 - 7

The correct option is D 2 × 2 × 2 × 7 × 7 × 7[ 2 amp;2744; 2 amp; 1372; 2 amp; 686; 7 amp; 343; 7 amp; 49; ...

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Standard VIII

Mathematics

Prime Factorisation Method to Find a Cube

2744 written ...

Question

2744 written as a product of its primes is

2 \times 2 \times 2 \times 7 \times 7

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2 \times 2 \times 7 \times 7 \times 7

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2 \times 2 \times 2 \times 7 \times 7 \times 7

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2 \times 2 \times 7 \times 7

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Solution

The correct option is C $2 \times 2 \times 2 \times 7 \times 7 \times 7$
$\begin{matrix} 2 & 2744 2 & 1372 2 & 686 7 & 343 7 & 49 7 & 7 1 \end{matrix}$
Hence, $2744 = 2 \times 2 \times 2 \times 7 \times 7 \times 7$

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Similar questions

An irrational number between $\frac{1}{7}$ $\frac{2}{7}$ is

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(d)none of these

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2744 written as a product of its primes is

The correct option is C 2×2×2×7×7×7227442137226867343749771 Hence, 2744=2×2×2×7×7×7

The correct option is C $2 \times 2 \times 2 \times 7 \times 7 \times 7$
$\begin{matrix} 2 & 2744 2 & 1372 2 & 686 7 & 343 7 & 49 7 & 7 1 \end{matrix}$
Hence, $2744 = 2 \times 2 \times 2 \times 7 \times 7 \times 7$