The number is divisible by 6 if divisible by 2 and 3
The number is divisible by 2: if last digit is 0, 2, 4, 6 or 8
The number is divisible by 3: if sum of the digits is divisible by 3
79,002
last digit is 2 - correct
7+9+0+0+2=18 is divisible by 3 (18=3 × 6)
Answer: 79,002 is divisible by 6