128

This number is a composite.

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

+ 128 + (1 + 2 + 8) is prime. Note that 1 * 2 * 8 divides 128. [Capelle]

+ The largest known even number that can be expressed as the sum of two primes in exactly three ways. [Capelle]

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