What are the multiples 3 between 9 and 21?
LCM of 3, 9, and 21 is the smallest number among all common multiples of 3, 9, and 21. The first few multiples of 3, 9, and 21 are (3, 6, 9, 12, 15 . . .), (9, 18, 27, 36, 45 . . .), and (21, 42, 63, 84, 105 . . .)
What are the first three common multiples of 19 and 21?
LCM of 19 and 21 is the smallest number among all common multiples of 19 and 21. The first few multiples of 19 and 21 are (19, 38, 57, 76, 95, 114, 133, . . . ) and (21, 42, 63, 84, 105, . . . ) respectively….LCM of 19 and 21.
| 1. | LCM of 19 and 21 |
|---|---|
| 3. | Solved Examples |
| 4. | FAQs |
What are the first 3 common multiples of 12 and 28?
LCM of 12 and 28 by Listing Multiples
- Step 1: List a few multiples of 12 (12, 24, 36, 48, 60, 72, . . . ) and 28 (28, 56, 84, 112, . . . . )
- Step 2: The common multiples from the multiples of 12 and 28 are 84, 168, . . .
- Step 3: The smallest common multiple of 12 and 28 is 84.
What is the GCF of 19 and 21?
The GCF of 19 and 21 is 1.
What are all the multiples of 9 and 21?
Multiples of 9 would be 9, 18, 27, 36 and so on. Multiples of 21 would be 21, 42, 63, 84 and so on. Now, compare the two lists to find the smallest number the two lists have in common, which is the Least Common Multiple of 9 and 21.
What are the factors of 9 and 21?
The first step to find the gcf of 9 and 21 is to list the factors of each number. The factors of 9 are 1, 3 and 9. The factors of 21 are 1, 3, 7 and 21. So, the Greatest Common Factor for these numbers is 3 because it divides all them without a remainder. Read more about Common Factors below.
What is the lowest common multiple?
The smallest common multiple of two or more numbers is called the lowest common multiple (LCM). E.g. Multiples of 8 are 8, 16, 24, 32, Multiples of 3 are 3, 6, 9, 12, 15, 18, 21, 24,
What is an example of least common multiple?
Least Common Multiple. The least common multiple ( LCM ) of two or several natural numbers is the smallest positive number exactly divisible by each of the given numbers. For example, the LCM of 2 and 3 is 6, and the LCM of 6, 8, 9, 15, and 20 is 360. Least common multiples are used in adding and subtracting fractions;
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