The sum of primes to 43 is 281 {281 = 42nd prime} {42 = 6 x 7}, or 282 if 1 was...

The sum of primes to 43 is 281 {281 = 42nd prime} {42 = 6 x 7}, or 282 if 1 was still included {282 = 2 x 3 x 47}

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