12. How to find the least common multiple of 18, 24 and 42?

12. How to find the least common multiple of 18, 24 and 42?

12=3*2*2
18=3*3*2
24=2*2*2*3
42=2*3*7
There are 3 * 2 in it
One more in 12, one more in 18, one more in 24, two more in 24, one more in 42, one more in 7
So it's 6 * 2 * 3 * 2 * 7 = 504

The greatest common divisor of two numbers is 60, the least common multiple is 720, and one of them is 180. What is the difference between the two numbers?
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According to the known conditions, another number is 60 * (720 / 180) = 240
So the difference between the two numbers is 60 or - 60

The greatest common factor of two numbers is 60, the least common multiple is 720, and one of them is 180. Find the other number
Hurry up, hurry up!

240180 can be decomposed into 3 * 60720 can be decomposed into 3 * 4 * 60, so another number is 4 * 60, that is 240

Given the greatest common factor and the least common multiple, how to find these two numbers?
The greatest common factor is 6, and the least common multiple is 126. How to calculate these two numbers?

126=2*3*3*7
Through observation, we can get: 6,6 * 3,6 * 7,6 * 21
That is, 6, 18, 42, 126
Through pairwise collocation, we can see that 6126 or 18,42 meet the requirements