LCM of 21 and 30
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What is lcm of 21 times 30 ?
To get the least common multiple of 21 and 30, we we need to get the factors of each value first and then multiply all the factors together.
Prime factors of 21 = 3 7
Prime factors of 30 = 2 3 5
To get the lowest common multiples of 21 and 30, we combine the factors and select the least occurance.
Which is 3 7 and 2 3 5 combined and unique values selected to give answer
(3 7 ) (2 3 5 ) = 2 3 5 7
LCM is gotten by multiplying the least common factor of 2 3 5 7 together to get LCM of 21 and 30 = 210
LCM of 21 and 30 = 210
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Calculate lcm of 21 and 30
Prime factors of 213 7 Prime factors of 302 3 5 LCM of 21 and 30210 |
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The lcm of 21 and 30 is the least positive integer values that divides the numbers 21 and 30 without a remainder, which is the lowest common multiples of 21 and 30. we have elaborated the lcm of 21 and 30, with the method of computing it easily using the calculator above and selecting least common multiple from the factors of 21 and 30. Once factors of 21 = 3 7 is determined and factors of 30 = 2 3 5 is ascertained, lcm of Twenty One and Thirty can be determined easily.
To compute the lcm of two numbers easily, you can do that using our calculator tool. Our calculator tool computes lcm of Twenty One and Thirty easily. All you need to do is to enter the values on the form and the click calculate to compute lcm.
Use of LCM of Twenty One and Thirty
Answer: LCM of Twenty One and Thirty is used in solving fractions of numbers that has different denominators with these numbers and fine a common denominator for the with the lcm.
How is the usage of least common factor of numbers like Twenty One and Thirty important?
Answer: It is used for subtracting and adding fractions denominator and numerator easily like 2/21 and 3/30. You can do this by getting lcm of the dividends and multiply to the numerator to get your values. Then you can then add or minus, depending on the mathematical operation you are carrying out.
What is Multiplication?
Answer:Multiplication is one of mathematics four elementary arithmetic operations. The others are addition, subtraction and division. Multiplication is denoted by the multiplying sign x.
What is the difference between multiplication, division, addition and subtraction?
Answer:Multiplication is multiplying a given value by the second value, it is denoted by sign x, division is dividing given value by the second value, it is denoted by sign /, Addition is adding of numbers together, it is denoted by sign +, Substraction is subtracting values from another number, it is denoted by -.
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