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Sagot :
The prime number that cannot be in the set is A . 2.
Prime number:
In math, prime number is a natural number greater than 1 that is not a product of two smaller natural numbers
Given,
Here we need to find the prime number that is not in the set, if if the sum of a set of ten different positive prime numbers is an even number.
Here we know that, all prime numbers except the first prime number are odd except 2.
And here we assume that the two prime numbers are different,
So, if one of the prime number is 2 which is even, the other prime number would be odd and hence sum of the prime numbers would be odd as sum of an even and an odd number is always odd.
Where as if none of the prime numbers are odd, then both the prime numbers would be odd and hence sum of the prime numbers would be even as sum of two odd numbers is always even.
There the correct option is A. 2.
To know more about Prime number here.
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