Least Common Multiple (LCM) of 155 and 140
The least common multiple (LCM) of 155 and 140 is 4340.
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 155 and 140?
First, calculate the GCD of 155 and 140 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 155 ÷ 140 = 1 remainder 15 |
| 2 | 140 ÷ 15 = 9 remainder 5 |
| 3 | 15 ÷ 5 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 97 and 154 | 14938 |
| 112 and 117 | 13104 |
| 47 and 96 | 4512 |
| 103 and 80 | 8240 |
| 146 and 161 | 23506 |