It's 65
65 is not prime; it is divisible by 5 and 13.
The next prime after 63 is 67.
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63 / 3 = 21The middle number is 21The odd numbers next to 21 are 19 and 2319 + 21 + 23 = 63
47 is a prime number - but 63 is not a prime number.
63 is not a prime number.
No, as 63 = 7 x 9 and then is not a prime number
composite number. 9x7=63