**RESULT**

LCM(**20**, **15**) = **60**

**DESCRIPTIONS**

LCM is equal to the product of the **common prime factors** on the left and the **left-overs** on the bottom.

LCM(**20**, **15**) = **5** . **4** . **3** = **60**

**OTHER INFORMATION**

Common multiples of **20** and **15** are **60**, **120**, **180** ...

The solution and descriptions above are generated by the LCM calculator. You can use the LCM calculator to see the least common multiples of other numbers.

The least common multiple (LCM) of two positive whole numbers is the smallest number that is divisible by these numbers. LCM can be found by using the upside-down cake method. It is equal to the product of the common prime factors listed on the left and the leftovers on the right.

ðŸ‘‰ Click here to see the LCM calculation of 20 and 15 using the prime factorization method.

ðŸ‘‰ Click here to see the GCF calculation of 20 and 15 using the cake method.

ðŸ‘‰ Click here to see the GCF calculation of 20 and 15 using the prime factorization method.