# Write the Greatest 4 Digit Number And Express It in Terms Of Its Prime Factors

The largest 4-digit number is 9999

## Answer: 9999 = 3^{2} × 11 × 101

We will see the prime factors of 9999 to answer this question.

**Explanation:**

The prime factors of 9999 are 3,3, 11, and 101

We can express 9999 as the product of its prime factors, that is, 9999 = 3^{2} × 11 × 101