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4, 6, 12, 18, 30, 42, 60, 72, 102, 108,?,?,?

(7 votes, average: 4.29 out of 5)

March 9, 2014 by puzzler 2 Comments

Number Puzzle #78

4,6,12,18,30,42,60,72,102,108,?,?,?

What are the next three numbers in above number sequence?

Number Puzzle #78, What are the next three numbers ?

Number Puzzle #78, What are the next three numbers ?

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Prime numbers

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ans by fivebee: 138, 150, 180. it’s the twin primes merged in between

lets take the prime numbers
1,2,3,5,7,11,13,17,19,23,29,31—-

so our series is numbers between consecutive prime numbers, with a difference of 1.

in above series
4,6,12,18,30…

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Comments

  1. fivebee says

    March 18, 2014 at 12:24 pm

    ans: 138, 150, 180. it’s the twin primes merged in between

    Reply
  2. fivebee says

    March 18, 2014 at 12:20 pm

    Hint: Prime numbers

    Reply

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