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∙ 9y ago83
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53 is prime, and 5+3 = 8.
2014 ( The sum of the digits = 7, a prime number )
The number is 23.
It is: 59
what number is prime to 40 29 - it's a prime number (divisible only by 1 and itself) and if you sum the two digits 2 + 9 = 11
59
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