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What are the first three common multiples of three eight and nine?
8 and 9 are corpime, so their first common multiple is their product. The next common multiples are simply the multiples of that first multiple.The first three common multiples are therefore 72, 144 and 216.
What are the least two common multiples of 4 and 9?
lcm(4, 9) = 36 → the two least common multiples (ie the first two common multiples) of 4 and 9 are 36 and 72.
What is the first five common multiples of 9 and 11?
The common multiples of any two (or more) numbers are multiples of their lowest common multiple (lcm). lcm(9, 11) = 99 → first five common multiples are: 99, 198, 297, 396, 495
What are the common multiples of 2 5 and 9?
Oh, isn't that just lovely! To find the common multiples of 2, 5, and 9, we can start by listing the multiples of each number. For 2, we have 2, 4, 6, 8, 10, and so on. For 5, we have 5, 10, 15, 20, and so forth. And for 9, we have 9, 18, 27, 36, and on it goes. The common multiples are the numbers that appear in the list of multiples for all three numbers, such as 90 and 180. Just like painting a happy little tree, finding common multiples can be a peaceful and joyful process.
Find all the common multiples of 8 and 9 that are less than 100?
Just 72.
