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Which Tests Does 73,311,435 Pass?
publish date: 2026/05/11 11:32:54.705142 UTC
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The number is 73,311,435. Digit sum: \(7+3+3+1+1+4+3+5 = 27\). Last digit: 5. Last two digits: 35.
Select all numbers that 73,311,435 is divisible by.
Correct Answer
(1) 3
(2) 5
(3) 9
Explanation
- 2: last digit 5 is odd → not divisible.
- 3: digit sum 27 ÷ 3 = 9 → divisible ✓
- 5: last digit is 5 → divisible ✓
- 9: digit sum 27 ÷ 9 = 3 → divisible ✓
Reference
Mathematics for college students