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I am the smallest number ,having four di...

I am the smallest number ,having four different prime factors.Can you find me ?

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The correct Answer is:
210
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NAND LAL PUBLICATION-PLAYING WITH NUMBERS -EXERCISE 3.5
  1. Which of the following statemennts are true ? A number is divisible by...

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  2. Which of the following statemennts are true ? If two numbers are co-pr...

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  3. Which of the following statemennts jare true ? All numbers which are d...

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  4. Which of the following statemennts are true ? All numbers which are di...

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  5. Which of the following statemennts jare true ? If a number exactly div...

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  6. Which of the following statemennts jare true ? If a number exactly div...

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  7. Here are two different factor trees for 60.Write the missing numbers.

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  8. Which factors are not included in the prime factorisation of a composi...

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  9. Write the greatest four digit number and express it in terms of its p...

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  10. Write the smallest five digit number and exress it in the form of its ...

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  11. Find all the prime factors of 1729 and arrange them in ascending order...

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  12. The product of three consecutive numbers is always divisible by 6.Expl...

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  13. The sum of two consecutive odd number is divisible by 4.Verify stateme...

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  14. In which of the following expressions, prime factorization has been do...

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  15. In which of the following expressions,prime factorisation has been don...

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  16. In which of the following expressions,prime factorisation has been don...

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  17. In which of the following expressions,prime factorisation has been don...

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  18. Determine if 25110 is divisible by 45.[Hint:5 and 9 are co-oprime numb...

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  19. 18 is divisible by both 2 and 3 .It is also divisible by 2 xx 3 = 6.Si...

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  20. I am the smallest number ,having four different prime factors.Can you ...

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