Least Common Multiple (LCM) of 121 and 29
The least common multiple (LCM) of 121 and 29 is 3509.
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 121 and 29?
First, calculate the GCD of 121 and 29 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 121 ÷ 29 = 4 remainder 5 |
| 2 | 29 ÷ 5 = 5 remainder 4 |
| 3 | 5 ÷ 4 = 1 remainder 1 |
| 4 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 75 and 96 | 2400 |
| 23 and 80 | 1840 |
| 63 and 21 | 63 |
| 109 and 100 | 10900 |
| 41 and 22 | 902 |