Question

Express each of the following as product of powers of their prime factors :
640

Answer 1

Bonjour!

$640 = 2 \times 2 \times 2 \times 2 \times 2 \times 2 \times 2 \times 5 \\ \\ = {2}^{7} \times 5$

Hope this helps...:)

Answer 2

Solution :

2| 640

______

2 | 320

______

2 | 160

_______

2 | 80

_______

2 | 40

_______

2 | 20

_______

2 | 10

_______

****5

Therefore ,

640 = 2×2×2×2×2×2×2×5

= 2^7 × 5

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