Least Common Multiple (LCM) of 157 and 140
The least common multiple (LCM) of 157 and 140 is 21980.
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 157 and 140?
First, calculate the GCD of 157 and 140 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 157 ÷ 140 = 1 remainder 17 |
| 2 | 140 ÷ 17 = 8 remainder 4 |
| 3 | 17 ÷ 4 = 4 remainder 1 |
| 4 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 150 and 157 | 23550 |
| 91 and 17 | 1547 |
| 56 and 40 | 280 |
| 122 and 114 | 6954 |
| 72 and 114 | 1368 |