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The numbers 242206083 · 2 38880 ± 1 are twin primes. The number p = 2375063906985 · 2 19380 − 1 is a Sophie Germain prime, i.e. p and 2p + 1 are both primes. For p = 4610194180515 · 2 5056 − 1, the numbers p, p + 2 and 2p + 1 are all primes. In the first days of October, 1995, Harvey Dubner [4] found the largest known twin primes with 5129 decimal digits.(More)
With the decreasing feature size of today's nanoelectronic circuits , the susceptibility to transient failures increases. New robust and self-adaptive designs are developed, which can handle transient error to some extent, but at the same time make testing for permanent faults more difficult. This paper reviews the " signature rollback " scheme as a(More)
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