Express following prime number as the sum of three primes - :
$23 = . . . . . . . . . . . + . . . . . . . . . + . . . . . . . . . . .$

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Solution

Since, we can express prime number as the sum of three prime numbers.
So, $23 = 3 + 7 + 13$ or $23 = 5 + 7 + 11$
In these expression prime number $23$ expressed as the sum of the three prime numbers $3, 7, 13$ or $5, 7, 11$ .

Hence , we can write $23 = 3 + 7 + 13$ or $23 = 5 + 7 + 11$ .

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