If the sum of 25 distinct prime numbers is even, then ____ is always one of them.
1. 2
2. 3
3. 5
4. 7
1. 2
2. 3
3. 5
4. 7
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2 is always one of them. Reason being that the remaining 24 primes are all odd, and would add up to some even number x; and then x + 2 is yet another even.kullayappayenugula wrote:If the sum of 25 distinct prime numbers is even, then ____ is always one of them.
1. 2
2. 3
3. 5
4. 7
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