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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

Just showing those entries submitted by 'Opao': (Click here to show all)

+ The largest nine-digit left-truncatable prime such that when two of its digits are interchanged, the resulting number is also a left-truncatable prime. Can you locate the two digits in question? [Opao]




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