Next Number?

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Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

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  • 1 Answer(s)

    129.

    These are all prime numbers appended by 1.

    So, we have 2 3 5 7 11 13 17 19 23 ..  each of these numbers are appended by 1…

    bhola99 Expert Answered on 10th August 2022.
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