Multiples of 7 include 7, 14, 21, 28 and so on. For them to be common, they need to be compared to another set of multiples.
Multiples of 7 that are less than 60 are 7, 14, 21, 28, 35, 42, 49, 56.Multiples of 14 that are less than 60 are 14, 28, 42, 56. Common multiples that are less than 60 are 14, 28, 42, and 56.
7, 14, 21, 28, 35, 42
The least common multiple of 14 and 21 is 42.Look at the multiples of 14. They are 14, 28 and 42.Now clearly 14 and 28 are can't be multiples of 21 also so throw them out as candidate for the LCM. However, the next number. 42 is 21x2.We know there is no smaller common multiple because 21x1 did not work so we are done.The LCM is: 42
14, 21, 28, 35, 42, 49, 56, 63 . . .
1,764
The four multiples of seven are 7, 14, 21, and 28.
7, 14, 21, 28, 35, 42
To find the Least Common Multiple (LCM) of 7, 14, and 21, we first need to factorize each number. The prime factors of 7 are 7, of 14 are 2 x 7, and of 21 are 3 x 7. To find the LCM, we take the highest power of each prime factor that appears in any of the numbers. Therefore, LCM(7, 14, 21) = 2 x 3 x 7 = 42.
Multiples of 7 include 7, 14, 21, 28 and so on. For them to be common, they need to be compared to another set of multiples.
7, 14, 21, 28 and so on. 14, 28, 42, 54 and so on. 21, 42, 63, 84 and so on.
14, 28, 35, and 42 7, 14, 21, 28
7, 14, 21, 28, 35
7, 14, 21, 28
They are: 7 14 21 28 and 35
14 21 28 35 42
14, 21, and 28