Least Common Multiple (LCM) of 151 and 142
The least common multiple (LCM) of 151 and 142 is 21442.
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 151 and 142?
First, calculate the GCD of 151 and 142 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 151 ÷ 142 = 1 remainder 9 |
| 2 | 142 ÷ 9 = 15 remainder 7 |
| 3 | 9 ÷ 7 = 1 remainder 2 |
| 4 | 7 ÷ 2 = 3 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 15 and 17 | 255 |
| 74 and 10 | 370 |
| 145 and 91 | 13195 |
| 43 and 88 | 3784 |
| 174 and 130 | 11310 |