Multiply 5 by the first 12 integers: 1, 2, 3, ... ,12.
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they are 12*1, 12*2, 12*3, 12*4, 12*5 and 12*6.
factoring 5 factored =1*5 12 factored =2*2*3 no common factor so the LCM is 60 the next multiples would be 120 and 180
2, 3 and 5 are all prime numbers. So to find the lowest common multiple, you just need to multiply them all together: 2x3x5=30 To find other multiples of 2,3 and 5, you just need to find multiples of 30. You can do this by calculating 30x2, 30x3, 30x4 and so on. Examples of multiples of 2,3 and 5 would therefore be 30, 60, 90, 120, and 150.
for three 3 6 9 12 for five 5 10 15 20 these both numbers dont share a common denominator in the first 4 multiples
What are the first three common multiples of four and five