Least Common Multiple (LCM) of 152 and 85
The least common multiple (LCM) of 152 and 85 is 12920.
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 152 and 85?
First, calculate the GCD of 152 and 85 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 152 ÷ 85 = 1 remainder 67 |
| 2 | 85 ÷ 67 = 1 remainder 18 |
| 3 | 67 ÷ 18 = 3 remainder 13 |
| 4 | 18 ÷ 13 = 1 remainder 5 |
| 5 | 13 ÷ 5 = 2 remainder 3 |
| 6 | 5 ÷ 3 = 1 remainder 2 |
| 7 | 3 ÷ 2 = 1 remainder 1 |
| 8 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 51 and 139 | 7089 |
| 111 and 57 | 2109 |
| 100 and 22 | 1100 |
| 65 and 30 | 390 |
| 106 and 24 | 1272 |