a and b are positive integers less than or equal to 7. If a and b are assembled into the six-digit number ababab, which of the following must be a factor of ababab? Choose the correct choice from the following answers:	A) 3	B) 4	C) 2	D) 6	E) none of the above
686868 when divided by 2 gives the result 343434   CONCEPT: Rule of Divisibility of 2 isIf sum of the digits of the Number is divisible by 2 then the number will be divisible by 2   SUm of the digits of No. which is divisible by 2 hence the Number 686868 will be divisible by 2
<result>A</result>
a and b are positive integers less than or equal to 7. If a and b are assembled into the six-digit number ababab, which of the following must be a factor of ababab?