What is the greatest 7-digit number?
MathematicsClass 10CBSEAnswered 28 May 2026
Answer
The greatest 7-digit number is 9,999,999 (Nine million, nine hundred and ninety-nine thousand, nine hundred and ninety-nine).
Reasoning: Place the largest digit (9) in all seven positions.
| Position | Digit | Value |
|---|---|---|
| Ten Lakhs | 9 | 90,00,000 |
| Lakhs | 9 | 9,00,000 |
| Ten Thousands | 9 | 90,000 |
| Thousands | 9 | 9,000 |
| Hundreds | 9 | 900 |
| Tens | 9 | 90 |
| Units | 9 | 9 |
The next number 10,000,000 is the smallest 8-digit number.
The greatest 7-digit number is 9,999,999, formed by placing the digit 9 in all seven place-value positions.
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