Question

The number 1,071 is evenly divisible by which of the following sets of numbers?

A) 6,7,9
B)3,5,7
C)3,7,9
D)3,4,9

Answer 1

C)

Answer 2

c

Answer 3

it cannot be D as 1071 is odd D contains 4 and A contains 6
adding digits 1 0 7 1 gives 9 so 3 is a factor
5 cann ot be a factor as it does not end in 0 or 5

that leaves C

Answer 4

\[1071=3*3*7*17 \]

Answer 5

Thank u

Answer 6

robtobey's method( finding the prime factos)



0 is the easiest way to do this problem