what is LCM ? tell me one example to understand
Answers
LCM stands for Least Common Multiple. A multiple is a number you get when you multiply a number by a whole number (greater than 0). ... example: the multiples of 8 are 8, 16, 24, 32, 40, 48, 56... the factors of 8 are 1, 2, 4, 8.
Answer:
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Step-by-step explanation:
In arithmetic and number theory, the least common multiple, lowest common multiple, or smallest common multiple of two integers a and b, usually denoted by lcm(a, b), is the smallest positive integer that is divisible by both a and b.[1] Since division of integers by zero is undefined, this definition has meaning only if a and b are both different from zero.[2] However, some authors define lcm(a,0) as 0 for all a, which is the result of taking the lcm to be the least upper bound in the lattice of divisibility.
The lcm is the "lowest common denominator" (lcd) that can be used before fractions can be added, subtracted or compared. The lcm of more than two integers is also well-defined: it is the smallest positive integer that is divisible by each of them.
The smallest positive number that is a multiple of two or more numbers. Example: the Least Common Multiple of 3 and 5 is 15. Because 15 is a multiple of 3 and also a multiple of 5 and it is the smallest number like that. 3 and 5 have other common multiples such as 30, 45, etc, but they are all larger than 15.