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Observe that $$2\times 3+1=7$$ is a prime number. Here, $$1$$ has been added to a multiple of $$2$$ to get a prime number. Can you find some more numbers of this type?

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Step-by-step explanation:

$$ 2\times3+1 =7$$ is a prime number
Just like
$$2\times5+1=11$$ is also an prime number
Just like it
$$2\times6+1=13$$ is also an prime number

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