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What are the common multiples of 21 and from 1 to100?

Updated: 8/21/2019
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6y ago

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Common multiples result from comparing one number to at least one other. You've neglected to mention that other number. Multiples of 21 in that range are 21, 42, 63 and 84.

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Q: What are the common multiples of 21 and from 1 to100?
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Related questions

What are the common multiples of 21?

The common factors are 1 and 7. (7 = 1 x 7 and 21 = 3 x 7) The only common prime factor is 7, which is also the largest common factor.


How many common multiples of 21 are there between 1and100?

You need at least two numbers to find a common multiple. Multiples of 21 in that range include 21, 42, 63 and 84


What is the first three common multiples of 1 and 7?

7, 14, 21


Composite numbers up to100 have 1 as their unit's digit?

21, 51, 81, 91.


How do we know the common multiple between 16 and 21?

Since the only factor those two numbers have in common is 1, the LCM will be their product. Any other common multiples will be multiples of their product.


Common multiples of 21 and 34?

The lowest common multiple of 21 and 34 is 714. Therefore, the common multiples of 21 and 34 are the multiples of 714. The first five are: 1 x 714 = 714 2 x 714 = 1428 3 x 714 = 2142 4 x 714 = 2856 5 x 714 = 3570


What are the common multiples of 1 and 100?

The common multiples of 1 and 100 are any multiple of 100.


What is the factors and multiples of 21?

Factors: 1, 3, 7, 21 Multiples: 21, 42, 63, 84 and so on.


What are factors multiples of 21?

Factors of 21 = 1, 3, 7, 21 Multiples of 21: 21, 42, 63, 84, 105, 126, 147 +21 . . .


What multiples and to 21 but also adds into -22?

-21 and -1


What are the common multiples of A and A between 1 and 100?

The common multiples of a number with itself are the multiples of that number. Thus all multiples of A between 1 and 100 are the common multiples of A and A between 1 and 100.


How many multiples does 21 have?

Multiples? There are an infinite amount. Factors on the other hand, there are: 1, 3, 7 and 21.