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The least common multiple (LCM) is often also called the lowest common multiple or smallest common multiple. Keep in mind that these different terms all refer to the same thing: the smallest positive integer which is a multiple of two or more numbers.

The least common multiple of 243 and 405 is 1215.

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Q: What is the least Common Multiple of 243 and 405?
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What is the LCM for 9 45 and 81?

The least common multiple (LCM) refers to a multiple that is COMMON to two or more numbers. You have only one number in the question! The least multiple of a number is itself.


What are the multiples of 27 45 and 81?

Common multiples include any multiple of 405.


What is the least common multiple of 9 45 and 81?

The LCM is 405. 9 and 81 have an LCM of 81. 9 and 45 have an LCM of 45. 45 and 81 have an LCM of 405 (5 x 81, 9 x 45).


Which number has a factor of 27?

Any multiple of 27 will have 27 as a factor. 27, 54, 81, 108, 135, 162, 189, 216, 243, 270, 297, 324, 351, 378, 405, ...


What are the factors and prime factors of 405?

405 is a composite number because it has factors other than 1 and itself. It is not a prime number.The 10 factors of 405 are 1, 3, 5, 9, 15, 27, 45, 81, 135, and 405.The factor pairs of 405 are 1 x 405, 3 x 135, 5 x 81, 9 x 45, and 15 x 27.The proper factors of 405 are 1, 3, 5, 9, 15, 27, 45, 81, and 135 or,if the definition you are using excludes 1, they are 3, 5, 9, 15, 27, 45, 81, and 135.The prime factors of 405 are 3, 3, 3, 3, and 5. Note: There is repetition of these factors, so if the prime factors are being listed instead of the prime factorization, usually only the distinct prime factors are listed.The 2 distinct prime factors (listing each prime factor only once) of 405 are 3 and 5.The prime factorization of 405 is 3 x 3 x 3 x 3 x 5 or, in index form (in other words, using exponents), 34 x 5.NOTE: There cannot be common factors, a greatest common factor, or a least common multiple because "common" refers to factors or multiples that two or more numbers have in common.5(3^4)