Least Common Multiple (LCM) of 121 and 97
The least common multiple (LCM) of 121 and 97 is 11737.
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 97?
First, calculate the GCD of 121 and 97 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 121 ÷ 97 = 1 remainder 24 |
| 2 | 97 ÷ 24 = 4 remainder 1 |
| 3 | 24 ÷ 1 = 24 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 34 and 38 | 646 |
| 72 and 89 | 6408 |
| 25 and 35 | 175 |
| 71 and 148 | 10508 |
| 13 and 69 | 897 |