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|Ivars Peterson (MathTrek)|
|Palindromic primes are whole numbers, evenly divisible only by themselves and 1, that also have the same sequence of digits read forward or backward... The current record for the largest known palindromic prime is held by Harvey Dubner, a retired electrical engineer in New Jersey. It consists of 30,803 digits, each of them either 1 or 0. It's the sort of prime that reads the same forward, backward, upside down, and rotated...|
|Levels:||Middle School (6-8), High School (9-12), College|
|Math Topics:||Prime Numbers|
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