564

This number is a composite.

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The largest number which can be written with all the digits from 1 to 5 (without repetition) as a sum of primes in 2 different ways: 541 + 23 = 564 and 523 + 41 = 564. [van Doorn]

Submitted: 2006-10-29 23:26:07; Last Modified: 2008-01-30 17:28:00.