Three number series puzzle

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Can you find the next three numbers in the given series?

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

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  • 1 Answer(s)

    In this series, every single digits in in the middle of two prime number.

    4 is in the middle of 3 and 5 which are prime.
    6 is in the middle of 5 and 7 which are prime.

    Thus, the numbers are 108 will be 138, 150 and 180.

    anikam Expert Answered on 22nd August 2015.
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