Status of search for primes k.2ⁿ+1

901 < k < 999 & 500,000 < n < 1,000,000

Recently reserved ranges | Reserve or submit a range

Color legend:

completed (X)

being tested

available

k \ n x 1000

500-520

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901

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903

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905

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907

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911

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915

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919

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921

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923

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925

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