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Question
Express the following integers as a product of its prime factors:
420
Numerical
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Solution
| 2 | 420 |
| 2 | 210 |
| 5 | 105 |
| 7 | 21 |
| 3 | 3 |
| 1 |
420 = 2 × 2 × 3 × 5 × 7
∴ 420 = 22 × 3 × 5 × 7
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