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What is the smallest integer that can be divided by the product of a prime number and 7 while yielding a prime number?
(A) 7
(B) 14
(C) 24
(D) 28
(E) 35

Answer :

Answer:

(D). 28

Step-by-step explanation:

We have been given that the smallest integer that can be divided by the product of a prime number and 7 while yielding a prime number.  

We know that smallest prime is 2. The product of 2 and 7 is 14.

Let us divide our given numbers by 14.

(A) 7.

[tex]\frac{7}{14}=\frac{1}{2}[/tex]

The quotient is not a integer or prime number.

(B). 14

[tex]\frac{14}{14}=1[/tex]

We know that 1 is not a prime number.

(C) 24.

[tex]\frac{24}{14}=\frac{12}{7}[/tex]

The quotient is not a integer or prime number.

(D). 28

[tex]\frac{28}{14}=2[/tex]

Since 2 is a prime number, therefore, 28 is the smallest integer that can be divided by the product of a prime number and 7 and yield a prime number.

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