Big Primes, Small Numbers, Sarah Palin and the Financial Crisis

This month's "Who's Counting" will be an assortment drawn from mathematically flavored stories in the news. A 13-Million-Digit Prime Number The first concerns a number that easily swamps even the billions and trillions cited in recent financial stories. We know a lot about the existence of millions of subprime mortgages, but little media attention has been devoted to the existence of a just-discovered 13-million digit prime number. (A prime number, recall, is one divisible only by...Full Story
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