My code is below. it works perfectly while the interval in not very big. However whenever I go over a million the program stops. for instance for interval 2 to 2000000 the sum of primes should be 142913828922 (from the back of the book) whereas my application shows 1179908154. can someone please point out where have I gone wrong.My code is below. it works perfectly while the
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查找间隔之间的素数之和（C ++程序不适用于大数）
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