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How many total prime factors can be found of the sum of the largest 4 digit number and smallest 1 digit number?
1. 8
2. 5
3. 6
4. 7

1 Answer

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Best answer
Correct Answer - Option 1 : 8

Calculation:

4 digit largest number = 9,999

1 digit smallest number = 1

⇒ Sum = 9,999 + 1 = 10,000

⇒ 10,000 = (10)4

⇒ (5 × 2)4 = 54 × 24

∴ Total number of prime factors are 8.

The correct option is 1 i.e. 8     

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