Find the LCM of 10, 15 and 20 using prime factorization method. ( Show steps)
Answers
Answer:
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Step-by-step explanation:
Follow the below steps to find the least common multiple of given group of integers or whole numbers 10, 15 and 20 by using the most efficient and easiest method.
Problem & Workout :
step 1 Address input parameters & values.
Integers: 10 15 20
lcm (10, 15, 20) = ?
step 2 Arrange the group of numbers in the horizontal form with space or comma separated format
10, 15 and 20
step 3 Choose the divisor which divides each or most of the integers of in the group (10, 15 and 20), divide each integers separately and write down the quotient in the next line right under the respective integers. Bring down the integer to the next line if the integer is not divisible by the divisor. Repeat the same process until all the integers are brought to 1.
LCM of 10, 15 and 20
5 10 15 20
2 2 3 4
3 1 3 2
2 1 1 2
1 1 1
step 4 Multiply the divisors to find the lcm of 10, 15 and 20
5 x 2 x 3 x 2 = 60
LCM(10, 15, 20) = 60
The least common multiple for three numbers 10, 15 and 20 is 60
Answer:
60
Step-by-step explanation:
10= 2×5
15=5×3
20= 2×2×5
l. c. m= 5×2×2×3=60
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