The PRODUCT function in Excel is used to multiply numbers together. It takes one or more arguments, separated by commas, that represent the numbers or ranges of cells that you want to multiply. The syntax of the PRODUCT function is:
Syntax
=PRODUCT(number1, [number2], …)
Notes
1. Numbers can be supplied individually or in ranges.
2. PRODUCT can accept up to 255 arguments total.
3. Only numbers in the array or reference are multiplied.