The two numbers that have 105 as their least common multiple (LCM) are 15 and 7. This is because the LCM of two numbers is the smallest number that is a multiple of both numbers. In this case, 15 and 7 are both factors of 105, and no smaller number can be a multiple of both 15 and 7.
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15 and 21 21 and 35
You need at least two numbers to find an LCM.
2 and 5 are both prime numbers. If you multiply them together, the answer is 10. 10 is the LCM of 2 and 5.
The least common multiple of 9 and 105 is 315.
The least common multiple of the numbers 105 and 90 is 630.