Find the l.c.m of 108, 135, 162 by prime factorization method
Answers
Answer: The LCM is 1620
Step-by-step explanation:
L. C. M stands for Least Common Multiple. For this method, we are expected to look for the least common prime factors that are common divisors of the three numbers, that is, 108,135 and 162.
The prime factors are numbers that cannot be divisible by two and from the least, they are, 1,2,3,5,7,9 and so forth.
We therefore work them out as follows:
2. 108. 135. 162
2. 54. 135. 81
3. 27. 45. 27
3 9. 15. 9
3. 3. 5. 3
5. 1. 5. 1
1. 1. 1
You must ensure that the last row has 1, for the three numbers, just as shown above. This is to show that all numbers are fully divided.
Therefore, to get the least common multiple for 108,135 and 162, you multiply the factors;
2×2×3×3×3×3×5 = 1620
Answer:
126
Step-by-step explanation:
this you can find easily by taking factors of all number