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The only prime factors of a number n are 2,5,7, and 17 . Which of the following could NOT be a factor of n?
10
20
25
30
34
 one year ago
 one year ago
The only prime factors of a number n are 2,5,7, and 17 . Which of the following could NOT be a factor of n? 10 20 25 30 34
 one year ago
 one year ago

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3psilonBest ResponseYou've already chosen the best response.0
Explanation also please
 one year ago

peachpiBest ResponseYou've already chosen the best response.1
If you factorize the options into their prime factors, only 1 of them has a prime factor not on the list. i.e 10 = 2x5. both 2 and 5 are factors of n, so 10 can be a factor of n
 one year ago
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