# LCD Calculator - Least Common Denominator

> Find the least common denominator for two or more fractions or denominators.

Page: https://askcalculators.com/calculator/lcd-least-common-denominator-calculator/
Definition: https://askcalculators.com/calculator/lcd-least-common-denominator-calculator/definition.json
JSON Schema: https://askcalculators.com/calculator/lcd-least-common-denominator-calculator/schema.json
Version: 1.0.0
Maintained by: AskCalculators (software project; not a credentialed reviewer)
Qualified review: pending. Automated checks do not establish professional approval.
Page status: Live
Review status: Pending

## Use
Open the calculator page and enter values. Query-string parameters can restore and bookmark a calculation.
Example: https://askcalculators.com/calculator/lcd-least-common-denominator-calculator/?denominators=6%2C+8%2C+15

## Inputs
- denominators: Denominators; type=text; required; default=6, 8, 15

## Outputs
- lcd: Least common denominator; format=text; primary
- count: Denominators used; format=integer
- primeFactors: LCD prime factorization; format=text

## Formula
LCD = least common multiple of all denominators

## Rules
- Empty optional inputs are undefined, not zero.
- Hidden conditional inputs are ignored.
- Do not invent missing required inputs.