Next Number?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?




Similar Riddles

On a beautiful Sunday morning, You ordered a hot tea to your hotel room and suddenly you remember an important thing that needed to be done right now will take around 3 minutes to complete.
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1. straight away
2. Just people, you drink the team
3. Its does not matter

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A man dies of old age on his 25 birthday. How is this possible?

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John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

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In 2007, a puzzle was released and $2 million prizes were offered for the first complete solution. The competition ended at noon on 31 December 2010, with no solution being found. Wiki