Least Common Multiple (LCM) of 29 and 139
The least common multiple (LCM) of 29 and 139 is 4031.
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 29 and 139?
First, calculate the GCD of 29 and 139 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 29 ÷ 139 = 0 remainder 29 |
| 2 | 139 ÷ 29 = 4 remainder 23 |
| 3 | 29 ÷ 23 = 1 remainder 6 |
| 4 | 23 ÷ 6 = 3 remainder 5 |
| 5 | 6 ÷ 5 = 1 remainder 1 |
| 6 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 42 and 97 | 4074 |
| 76 and 142 | 5396 |
| 181 and 32 | 5792 |
| 132 and 115 | 15180 |
| 188 and 88 | 4136 |