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任何一个全由1组成的正多位数都是质数么？ 比如说11，111，1111.闲的没事突然想到这个问题，我感觉都是质数。 有大佬能解答一下么？ 显示全部 关注者 14 被浏览 显然 11, 1111111111111111111, 11111111111111111111111 \displaystyle ~~11,~1111111111111111111,~11111111111111111111111\\ 都是质数. 回答数 0，获得 0 次赞同 脱离让自己情绪不稳定的人和事，这是最好用的方法。 方法的难易程度取决于个人对这件事的控制力，涉及的人和事越多，你的控制力越低，不过你的权利越大，也会增强控制力.
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