it is 40,320
1x2x3x4x5x6x7x8 = 8! = 40320
40320 1x2x3x4x5x6x7x8=40,320.
The multiplication of the numbers 1 through 8 can be expressed as the factorial of 8, denoted as (8!). The formula is: [ 8! = 1 \times 2 \times 3 \times 4 \times 5 \times 6 \times 7 \times 8 = 40,320. ]