Let us know what the Least common multiple of 20 and 15. The smallest number that appears in both lists is **60** , so 60 is the smallest common multiple of 15 and 20 .

Similarly, what is the least common multiple of 20 and 10? Answer: LCM of 10 and 20 is **20** .

What is the LCM of 20? The LCM of 20 and 30 is the smallest number among all common multiples of 20 and 30. The first few multiples of 20 and 30 are (20, 40, 60, 80, …) and (30, 60, 90, 120, 150, 180, …) respectively.

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LCM of 20 and 30

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What is the least common multiple of 20 15 and 3

Second, what is the least common multiple of 20 and 50? Answer: The LCM of 20 and 50 is **100** .

**What is the least common multiple of 20 and 4?**

The LCM of 4 and 20 is **20** .

Then what is the least common multiple of 4 and 5? Answer: The LCM of 4 and 5 is **20**

What is a factor of 20? Therefore, the factors of 20 are **1, 2, 4, 5, 10 and 20** . Important Notes: Factors of a number are all possible numbers by which it is divisible. They can be prime numbers or composite numbers.

**What is the LCM of 20 and 20?**

The LCM of 20 and 21 is the smallest number among all the common multiples of 20 and 21. The first few multiples of 20 and 21 are (20, 40, 60, 80, 100, …) and (21, 42, 63, 84, 105, 126, 147, …) respectively.

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LCM of 20 and 21.

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How do I find the least common multiple? **Find the LCM of two numbers by listing the multiples**

- List the first multiple multiples of each number.
- Find more than one common to both lists. ,
- Find the least number which is the same in both the lists.
- This number is LCM.

What is the least common multiple of 5 and 3?

Answer: The LCM of 3 and 5 is **15** .

What is the least common multiple of 5 and 6? Answer: The LCM of 5 and 6 is **30** .

**What is the least common multiple of 20 and 40?**

Answer: The LCM of 20 and 40 is **40** .

What is the Least Common Common of 6 and 9?

The LCM of 6 and 9 is **18** . To find the LCM (least common multiple) of 6 and 9, we need to find the multiples of 6 and 9 (multiples of 6 = 6, 12, 18, 24; 9 = 9, multiple of 18, 27, 36) and the most Choose the smallest multiple that is exactly divisible by 6 and 9, i.e. 18.

What is the least common multiple of 10 and 4? Answer: The LCM of 4 and 10 is **20**

What is the least common multiple of 8 and 5? Answer: The LCM of 5 and 8 is **40** .

**What is the least common multiple of 6 and 8?**

Answer: The LCM of 6 and 8 is **24** .

What is the least common multiple of 3 and 8? What is the least common multiple of 3 and 8? The multiples of 3 are 3, 6, 9, 12, 15, 18, 21, **24** … The multiples of 8 are 8, 16, 24, 32, 40… so the least common factor of 3 and 8 is 24.

What are the factors of 20?

**factors of 20**

- 20: Factors 1, 2, 4, 5, 10 and 20.
- Negative factors of 20: -1, -2, -4, -5, -10 and -20.
- 20: prime factors of 2, 5
- Prime factorization of 20: 2 × 2 × 5 = 2
^{2 }× 5. - The sum of the factors of 20:42.

What is the LCM of 12 and 20? Answer: LCM of 12 and 20 is **60** .

**What is the LCM of 25 and 20?**

Answer: The LCM of 20 and 25 is **100** .

Is 20 a factor or a multiple? Table of Factors and Multiples

factor | multiples | |
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1, 3, 9 | 9 | 18 |

1, 2, 5, 10 | 10 | 20 |

1, 11 | 11 | 22 |

1, 2, 3 4, 6, 12 | 12 | 24 |

Which are the pairs of 20?

The positive pair factors of 20 are **(1, 20), (2, 10) and (4, 5)** .

What is the common multiple of 1,2 and 20? The LCM of 12 and 20 is **60** . To find the smallest common multiples of 12 and 20, we need to find the multiples of 12 and 20 (12 = 12, 24, 36, 48 … 60; multiples of 20 = 20, 40, 60, 80 ) and the smallest common multiple of 20. Choose the smallest multiple that is exactly divisible by 12 and 20, i.e. 60