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

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

Evaluate

$$5040$$

Solution Steps

Multiply 7 and 6 to get 42.

$$42\times 5\times 4\times 3\times 2\times 1$$

Multiply 42 and 5 to get 210.

$$210\times 4\times 3\times 2\times 1$$

Multiply 210 and 4 to get 840.

$$840\times 3\times 2\times 1$$

Multiply 840 and 3 to get 2520.

$$2520\times 2\times 1$$

Multiply 2520 and 2 to get 5040.

$$5040\times 1$$

Multiply 5040 and 1 to get 5040.

$$5040$$

Factor

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