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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
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.
What are the first three common multiples 0f1?
Multiples of 1 include 1, 2 and 3. For them to be common, they need to be compared to another set of multiples.
What are common multiples for form 1 maths?
whole numbers are multiples of 1
