The LCM of 5, 7 and 8 is 280.
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5 and 7 are both prime numbers, so the least common multiple is 5*7=35
How about: 2 plus 5 equals 7 as one example
The LCM is: 35
Pick any pair of prime numbers. 5, 7 11, 13 17, 19 Pick any pair of consecutive integers.
The common multiples of 3, 5, 7, 9, and 11 are the numbers that are divisible by all of these numbers. The least common multiple (LCM) of these numbers is 10395. Therefore, any multiple of 10395 is a common multiple of 3, 5, 7, 9, and 11.