
Least Common Multiple (LCM) of 121 and 34
The least common multiple (LCM) of 121 and 34 is 4114.
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 34?
First, calculate the GCD of 121 and 34 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
Step | Calculation |
---|---|
1 | 121 ÷ 34 = 3 remainder 19 |
2 | 34 ÷ 19 = 1 remainder 15 |
3 | 19 ÷ 15 = 1 remainder 4 |
4 | 15 ÷ 4 = 3 remainder 3 |
5 | 4 ÷ 3 = 1 remainder 1 |
6 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
Numbers | LCM |
---|---|
190 and 176 | 16720 |
81 and 176 | 14256 |
149 and 17 | 2533 |
173 and 95 | 16435 |
127 and 147 | 18669 |