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A “trio-prime” is any number made up of three factors, not including itself and 1, that are consecutive primes. How many

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by Vincen » Fri Jun 19, 2020 2:46 am

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A “trio-prime” is any number made up of three factors, not including itself and 1, that are consecutive primes. How many “trio-primes” are less than 1,000?

(A) 2

(B) 3

(C) 4

(D) 7

(E) 11

[spoiler]OA=B[/spoiler]

Source: Magoosh
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