Least Common Multiple (LCM) of 72 and 151
The least common multiple (LCM) of 72 and 151 is 10872.
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 72 and 151?
First, calculate the GCD of 72 and 151 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 72 ÷ 151 = 0 remainder 72 |
| 2 | 151 ÷ 72 = 2 remainder 7 |
| 3 | 72 ÷ 7 = 10 remainder 2 |
| 4 | 7 ÷ 2 = 3 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 135 and 186 | 8370 |
| 43 and 20 | 860 |
| 54 and 126 | 378 |
| 173 and 182 | 31486 |
| 64 and 39 | 2496 |