Let ` A ={x:x ` is a prime number less than `10}` and ` B={x:x in N, x "is a" ` factor of `12}`. Find `A cup B`.

Options

A. `AuuB={1,4,5,6,7,12}`
B. `AuuB={1,2,3,4,5,6,7}`
C. `AuuB={1,2,5,6,7,12}`
D. `AuuB={1,2,3,4,5,6,7,12}`

Answer

D