Physicists demonstrate that 15=3x5 about half of the time

Sunday, August 19, 2012 - 12:00 in Physics & Chemistry

Computing prime factors may sound like an elementary math problem, but try it with a large number, say one that contains more than 600 digits, and the task becomes enormously challenging and impossibly time-consuming. Now, a group of researchers at UC Santa Barbara has designed and fabricated a quantum processor capable of factoring a composite number — in this case the number 15 — into its constituent prime factors, 3 and 5.

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