longest multipcation combination for 120 180 and 210

To find the longest multiplication combination for the numbers 120, 180, and 210, we need to consider all possible ways of multiplying these numbers together and find the largest product.

Here's how you can do it step by step:

1. Make a list of the numbers: 120, 180, and 210.

2. Multiply the first two numbers together: 120 * 180 = 21,600.

3. Multiply the result from step 2 with the third number: 21,600 * 210 = 4,536,000.

So, the longest multiplication combination for the numbers 120, 180, and 210 is 120 * 180 * 210 = 4,536,000.

Therefore, the largest product you can obtain by multiplying these three numbers is 4,536,000.