Least Common Multiple (LCM) of 160 and 98
The least common multiple (LCM) of 160 and 98 is 7840.
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 160 and 98?
First, calculate the GCD of 160 and 98 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 160 ÷ 98 = 1 remainder 62 |
| 2 | 98 ÷ 62 = 1 remainder 36 |
| 3 | 62 ÷ 36 = 1 remainder 26 |
| 4 | 36 ÷ 26 = 1 remainder 10 |
| 5 | 26 ÷ 10 = 2 remainder 6 |
| 6 | 10 ÷ 6 = 1 remainder 4 |
| 7 | 6 ÷ 4 = 1 remainder 2 |
| 8 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 21 and 71 | 1491 |
| 104 and 114 | 5928 |
| 52 and 59 | 3068 |
| 137 and 29 | 3973 |
| 121 and 115 | 13915 |