# Q. Observe that 2 × 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?

some more numbers of this type are :

2 $\times$ 2+1=5
2 $\times$ 5+1=11
2 $\times$ 6+1=13

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