Three is a multiple of 3.
· eerie
agree
15 is a multiple of 3. 15 is a multiple of 5. That makes it a common multiple of 3 and 5.
45 is a multiple of 3. 45 is a multiple of 5. 45 is not a multiple of 33. 3 x 3 x 5 = 45
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Oakley'sArena
The word "least" is a superlative. What that means is that there cam be only one such number. Therefore 2, 3 and 5 have only one least common multiple, not least common multiples! LCM(2, 3, 5) = 30.
Which number is a factor of 10 , but not a multiple of 5
Fluff
First aid
3 and 5 are factors of 15. 15 is a common multiple of 3 and 5.