Question

2+2%11111111111111111111111

Answer 1

11   is a prime number.
111 = 3 * 37
1111 = 11 * 101
11111 = 41 * 271
…..
1111111111111111111   (19 digits)   is a prime number.
11111111111111111111111   (23 digits)   is a prime number.
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