The LCM is: 40
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The least common multiple of 3 , 2 , 5 = 30
The least common multiple of 2 , 5 , 9 = 90
least common multiple of 14 6 and 5 is 210.
The least common multiple of the numbers 2, 5 and 15 is 30.
To find the least common multiple (LCM) of 40, 50, and 70, we first need to find the prime factorization of each number. The prime factorization of 40 is 2^3 * 5, the prime factorization of 50 is 2 * 5^2, and the prime factorization of 70 is 2 * 5 * 7. To find the LCM, we take the highest power of each prime factor that appears in any of the numbers. Therefore, the LCM of 40, 50, and 70 is 2^3 * 5^2 * 7 = 1400.