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What will the sum of the largest one-digit prime number, the largest two-digit prime number and the largest three-digit prime number?

What will the sum of the largest one-digit prime number, the largest two-digit prime number and the largest three-digit prime number? Correct Answer 1101

Concept used:

A number that can be divided exactly only by itself and 1 is called as prime number.

Calculation:

The largest one-digit prime number = 7

The largest two-digit prime number = 97

The largest three-digit prime number = 997

Let the sum of these numbers be x.

x = 7 + 97 + 997

⇒ x = 1101

∴ The sum is 1101.

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