Question

The number of distinct prime factors of the smallest 5 digit number

Answer 1

The Smallest 5 Digit number is:10000 The prime factor 10000 are 2×2×2×2×5×5×5×5

Answer 2

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Smallest 5 prime number = 1,00,000
Its prime factorisation is shown below...
2 | 1,00,000
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2 | 50,000
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2 | 25,000
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2 | 12,500
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2 | 6,250
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5 | 3,125
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5 | 625
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5 | 125
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5 | 25
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5 | 5
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| 1

Therefore, 1,00,000 = 2^(5) × 5^(5)