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Write seven consecutive composite number...

Write seven consecutive composite numbers less than 100 so that there is no prime number between them.

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RD SHARMA ENGLISH-PLAYING WITH NUMBERS-All Questions
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  2. For a number, greater than 10, to be prime what may be the possible di...

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  3. Write seven consecutive composite numbers less than 100 so that the...

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  4. State true (T) or false (F): The sum of primes cannot be a prime. The ...

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  5. Fill in the blanks in the following: A number having only two factors ...

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  6. Factorize 234 into prime factors.

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  7. Determine prime factorization of 9000.

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  8. Determine prime factorization of 20570.

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  9. Write the smallest 5-digit number and express it as a product of pr...

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  10. Find the smallest number having four different prime factors.

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

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  12. Determine prime factorization of each of the following numbers: (i)...

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  13. Determine prime factorization of each of the following numbers: (i)...

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  14. Write the smallest 5-digit number and express it as a product of pri...

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  15. Write the largest 4-digit number and give its prime factorization.

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  16. Find the prime factors of 1729. Arrange the factors in ascending or...

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  17. Which factors are not included in the prime factorization of a comp...

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  18. Here are two different factor trees for 60. Write the missing numbe...

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  19. Test the divisibility of the following numbers by 2. (i)8652...

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  20. Test the divisibility of the following numbers by 3: (i)726        ...

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