2^25,964,951-1: 42nd Mersenne Prime Found

It's now Official. The possible Mersenne Prime discovered last week has now been confirmed(zh-cn). This prime has 7,816,230 digits, which makes it not only the largest Mersenne Prime, but also the largest prime of any kind ever discovered. For those who don't want to take time to read the article, the prime is 2^25,964,951 - 1.