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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) The smallest prime that is the concatenation of two squares in two different ways. [Vantieghem] The smallest prime (emirp) that is the the concatenation of squares in five different ways, i.e., (12^2, 7^2), (38^2, 3^2), (12^2, 2^2, 3^2), (1^2, 2^2, 2^2, 7^2), (1^2, 2^2, 2^2, 2^2, 3^2). [Loungrides]
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