Solve 11*10*9*8*7*6*5*4*3*2*1=

$$11 \times 10 \times 9 \times 8 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1=$$

Evaluate

$$39916800$$

Solution Steps

Multiply 11 and 10 to get 110.

$$110\times 9\times 8\times 7\times 6\times 5\times 4\times 3\times 2\times 1$$

Multiply 110 and 9 to get 990.

$$990\times 8\times 7\times 6\times 5\times 4\times 3\times 2\times 1$$

Multiply 990 and 8 to get 7920.

$$7920\times 7\times 6\times 5\times 4\times 3\times 2\times 1$$

Multiply 7920 and 7 to get 55440.

$$55440\times 6\times 5\times 4\times 3\times 2\times 1$$

Multiply 55440 and 6 to get 332640.

$$332640\times 5\times 4\times 3\times 2\times 1$$

Multiply 332640 and 5 to get 1663200.

$$1663200\times 4\times 3\times 2\times 1$$

Multiply 1663200 and 4 to get 6652800.

$$6652800\times 3\times 2\times 1$$

Multiply 6652800 and 3 to get 19958400.

$$19958400\times 2\times 1$$

Multiply 19958400 and 2 to get 39916800.

$$39916800\times 1$$

Multiply 39916800 and 1 to get 39916800.

$$39916800$$

Factor

$$2^{8}\times 3^{4}\times 5^{2}\times 7\times 11$$