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The greatest Prime number less than 20 is 19.

Not sure what "then twice" is unless you are wanting to double it, which becomes 38.

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12y ago

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The answer is 7 because it’s the greatest prime numbers that when doubled is less than 20. 7x2 = 14

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Kiwi

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1y ago
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Q: What ia a prime number greatest less than 20 then twice?
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