
Least Common Multiple (LCM) of 153 and 30
The least common multiple (LCM) of 153 and 30 is 1530.
What is the Least Common Multiple (LCM)?
The LCM of two integers is the smallest positive integer that is divisible by both numbers. It is often used to find common denominators and solve problems involving periodic events.
Formula for LCM
The LCM of two numbers can be calculated using their GCD:
LCM(a, b) = |a × b| ÷ GCD(a, b)
How to Calculate the LCM of 153 and 30?
First, calculate the GCD of 153 and 30 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
Step | Calculation |
---|---|
1 | 153 ÷ 30 = 5 remainder 3 |
2 | 30 ÷ 3 = 10 remainder 0 |
Examples of LCM Calculations
Numbers | LCM |
---|---|
200 and 99 | 19800 |
108 and 199 | 21492 |
28 and 170 | 2380 |
119 and 118 | 14042 |
123 and 154 | 18942 |