240
480
960
1920
15360
Please explain.
The least common multiple of 20, 24, and 32 is
2008-08-12 5:08 am
回答 (8)
2008-08-12 5:15 am
✔ 最佳答案
48020 = 2^2 * 5
24 = 2^3 * 3
32 = 2^5
2^5 * 3 * 5 = 480
2008-08-12 9:20 am
20 = 2 x 2 x 5
24 = 2 x 2 x 2 x 3
32 = 2 x 2 x 2 x 2 x 2
-------------------------------
The LCM od 20 , 24 , 32 is:
2 x 2 x 2 x 2 x 2 x 3 x 5
= 480
24 = 2 x 2 x 2 x 3
32 = 2 x 2 x 2 x 2 x 2
-------------------------------
The LCM od 20 , 24 , 32 is:
2 x 2 x 2 x 2 x 2 x 3 x 5
= 480
2008-08-12 5:20 am
480
if u continue... 20, 40, 60......440, 460, 480
40,80, 120, 160,.....360,400,440,480
32,64, 96, 128, 160,.....384,416,448,480
that explains why...
if u continue... 20, 40, 60......440, 460, 480
40,80, 120, 160,.....360,400,440,480
32,64, 96, 128, 160,.....384,416,448,480
that explains why...
參考: meself
2008-08-12 5:16 am
The least common multiple is the lowest number that can be divisible by all three numbers. You have 5 choices. Try dividing all 5 by each number you have. If each division results in a whole number, then it is a common multiple. The LCM is the lowest number of the five.
2008-08-12 5:16 am
480, because it is a multiple of all the numbers mentioned.
20x 24 = 480
32x 15= 480
and 24x20 = 480
and since 240 is not a multiple of all of the them the least or smallest multiple of all of them is 480.
here is the definition of a multiple:
the product of a quantity by an integer
20x 24 = 480
32x 15= 480
and 24x20 = 480
and since 240 is not a multiple of all of the them the least or smallest multiple of all of them is 480.
here is the definition of a multiple:
the product of a quantity by an integer
2008-08-12 5:14 am
the answer is 480... what u do is u divide 480 by 20, 24, and 32 and if it works then than its .... before that i had to try 240 and not all numbers went into 240. hope that made sense!
2008-08-12 5:13 am
The LCM is the smallest number that is a multiple of 20, 24, and 32 (recall that a multiple is something that a number can be multiplied to get - 20, 40, 60, etc. are all multiples of 20). If you guess and check, you will see the answer is 480.
2008-08-12 5:13 am
2*2*2*2*2*5*3....20 = 2*2*5 , 24 = 2*2*2*3, 32 = 2*2*2*2*2....so you need 5 "2's", 1 "3" and 1 "5"
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