Solve 9*8*7*6*5*4*3*2*1=

$$9 \times 8 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1=$$

Evaluate

$$362880$$

Solution Steps

Multiply 9 and 8 to get 72.

$$72\times 7\times 6\times 5\times 4\times 3\times 2\times 1$$

Multiply 72 and 7 to get 504.

$$504\times 6\times 5\times 4\times 3\times 2\times 1$$

Multiply 504 and 6 to get 3024.

$$3024\times 5\times 4\times 3\times 2\times 1$$

Multiply 3024 and 5 to get 15120.

$$15120\times 4\times 3\times 2\times 1$$

Multiply 15120 and 4 to get 60480.

$$60480\times 3\times 2\times 1$$

Multiply 60480 and 3 to get 181440.

$$181440\times 2\times 1$$

Multiply 181440 and 2 to get 362880.

$$362880\times 1$$

Multiply 362880 and 1 to get 362880.

$$362880$$

Factor

$$2^{7}\times 3^{4}\times 5\times 7$$