Product symbol (∏) in LaTeX

Product symbol (∏)

Operators

∏

LaTeX command

\prod_{i=1}^{n}

with limits

Use inside math mode: $\prod_{i=1}^{n}$ — base LaTeX, KaTeX and MathJax

\prod is the big-operator pi for repeated multiplication, the product counterpart of \sum. It behaves the same way: limits above and below in display math, to the side inline.

All ways to write it

Command	Use	Package	Copy
`\prod_{i=1}^{n}`	with limits	none
`\coprod`	coproduct, ∐	none

Example

n! = \prod_{k=1}^{n} k

Factorial as a product.

Questions

What is the difference between \prod and \Pi?

\prod is the scaling operator with limits. \Pi is the plain capital Greek letter.

Related symbols

Summation ∑ \sum_{i=1}^{n}
Greek letters α \alpha

Using product in Confluence

Confluence Cloud has no built-in LaTeX. With LaTeX Math for Confluence you add a math macro to any page, type \prod_{i=1}^{n} and it renders inline or as a block, with a live preview while you edit. Every command on this page renders there without extra packages.