The numbers are given as 7, 14 and 21. Hence least common multiple of 7, 14 and 21 is **42**.

## What are the multiples of 7 14?

**⇒ Multiples of 7 and 14:**

- Multiples of 7 = 7, 14, 21, 28, 35, . . . .
- Multiples of 14 = 14, 28, 42, 56, 70, . . . .

## What is the common multiple of 14 and 21?

The LCM of 14 and 21 is **42**. To find the least common multiple (LCM) of 14 and 21, we need to find the multiples of 14 and 21 (multiples of 14 = 14, 28, 42, 56; multiples of 21 = 21, 42, 63, 84) and choose the smallest multiple that is exactly divisible by 14 and 21, i.e., 42.

## What is the common multiple of 7 and 21?

Step 1: List a few multiples of 7 (7, 14, 21, 28, 35, 42, 49, . . . ) and 21 (21, 42, 63, 84, 105, 126, 147, . . . . ) Step 2: The common multiples from the multiples of 7 and 21 are **21, 42**, . . . Step 3: The smallest common multiple of 7 and 21 is 21.

## What are all the multiples of 4 7 and 14?

Step 1: List a few multiples of 4 (4, 8, 12, 16, 20 . . .), 7 (7, 14, 21, 28, 35 . . .), and 14 (14, 28, 42, 56, 70 . . .). Step 2: The common multiples from the multiples of 4, 7, and 14 are **28, 56**, . . . Step 3: The smallest common multiple of 4, 7, and 14 is 28.

## Which of the following is the LCM of 7 14 and 21?

42

The numbers are given as 7, 14 and 21. Hence least common multiple of 7, 14 and 21 is **42**.

## What are all the multiples of 21?

What are multiples of 21? The multiples of 21 are **21, 42, 63, 84, 105, 126, 147, 168, 189, 210**, ….

## What is the common factor of 21?

Factor of 21 = **1, 3, 7 and 21**. Therefore, common factors of 14 and 21 = 1 and 7.

## What is the LCM of 7 and 14?

14

The LCM of 7 and **14** is 14.

## Which of the following is the LCM of 14 and 21?

The LCM of 14 and 21 is **42**.

## What are multiples 7?

Multiples of 7 are: **7, 14, 21, 28, 35, 42, 49, 56, 63, 70**, …

## What is the least common multiple of 14 7 4 and 2?

The least common multiple of 14, 7, 4 and 2 is **28**.

## What are the multiples of 14?

The multiples of 14 include: 14, 28, 42, 56, 70, 84, 98, 112, 126, 140, 154, 168, 182, 196, 210, 224, 238, 252, 266, 280, 294, 308, 322, 336, 350….

## What are factors of 14?

Factors of 14: **1, 2, 7, 14**.

## What are all the factors for 14?

The factors of 14 are **1, 2, 7 and 14**.

## What are the factors of 21 and 14?

The factors of 14 and 21 are **1, 2, 7, 14 and 1, 3, 7, 21** respectively. There are 3 commonly used methods to find the GCF of 14 and 21 – long division, Euclidean algorithm, and prime factorization.

## Why are 2 and 7 called prime factors of 14?

To get the prime factorization of 14, we divide it by its smallest prime factor which is 2. Now, 14 is divided by the remaining prime factors 3, 5, 7, 11, and 13. **14 is only divisible by 7 and we get the quotient as 2**. Thus, 14 has 2 prime factors.