Least Common Multiple (LCM) of 100 and 153
The least common multiple (LCM) of 100 and 153 is 15300.
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 100 and 153?
First, calculate the GCD of 100 and 153 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 100 ÷ 153 = 0 remainder 100 |
| 2 | 153 ÷ 100 = 1 remainder 53 |
| 3 | 100 ÷ 53 = 1 remainder 47 |
| 4 | 53 ÷ 47 = 1 remainder 6 |
| 5 | 47 ÷ 6 = 7 remainder 5 |
| 6 | 6 ÷ 5 = 1 remainder 1 |
| 7 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 140 and 19 | 2660 |
| 41 and 93 | 3813 |
| 138 and 21 | 966 |
| 34 and 121 | 4114 |
| 120 and 172 | 5160 |