Least Common Multiple (LCM) of 140 and 160
The least common multiple (LCM) of 140 and 160 is 1120.
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 140 and 160?
First, calculate the GCD of 140 and 160 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 140 ÷ 160 = 0 remainder 140 |
| 2 | 160 ÷ 140 = 1 remainder 20 |
| 3 | 140 ÷ 20 = 7 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 36 and 74 | 1332 |
| 191 and 93 | 17763 |
| 20 and 94 | 940 |
| 67 and 90 | 6030 |
| 122 and 111 | 13542 |