Least Common Multiple (LCM) of 156 and 105
The least common multiple (LCM) of 156 and 105 is 5460.
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 156 and 105?
First, calculate the GCD of 156 and 105 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 156 ÷ 105 = 1 remainder 51 |
| 2 | 105 ÷ 51 = 2 remainder 3 |
| 3 | 51 ÷ 3 = 17 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 89 and 87 | 7743 |
| 60 and 196 | 2940 |
| 183 and 167 | 30561 |
| 103 and 90 | 9270 |
| 14 and 54 | 378 |