Can you solve this math word problem?
What is the smallest 5-digit palindromic number which is divisible by 15.
- PuzzlingLv 78 months ago
Are you going to pick a Favorite Answer to any of your questions? I would give this to Φ² = Φ+1 who has both the right answer and an explanation.
- sepiaLv 711 months ago
50205 is the smallest 5-digit palindromic number which is divisible by 15.
- Φ² = Φ+1Lv 711 months ago
The number is divisible by 15, so it is divisible by 5, so the last digit is a 5 and so the first digit is a 5: 5aba5
The number is divisible by 15, so it is divisible by 3, so 2a + b + 10 is divisible by 3, and we want a to be as small a digit as possible: 50205
- BobLv 611 months ago
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- LônLv 711 months ago