how to check answer in lcm
2,4,8,10
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LCM of numbers 2, 4, 8, 10
Split all numbers in to prime factors.
2 = 2^1
4 = 2 * 2 = 2^2
8 = 2* 2 * 2 = 2^3
10 = 2^1 * 5^1
multiply all factors with maximum of their powers : 2^3 * 5^1 = 40
To check the correctness of LCM, divide LCM by each number, you will find that LCm is divisible by each number.
40/2 , 40/4, 40/8, 40/10 are integers.
Split all numbers in to prime factors.
2 = 2^1
4 = 2 * 2 = 2^2
8 = 2* 2 * 2 = 2^3
10 = 2^1 * 5^1
multiply all factors with maximum of their powers : 2^3 * 5^1 = 40
To check the correctness of LCM, divide LCM by each number, you will find that LCm is divisible by each number.
40/2 , 40/4, 40/8, 40/10 are integers.
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1
First of all find out the factors of all the numbers. then find out the lowest common factor. if this matches with your answer then your ans is correct.
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