Least Common Multiple (LCM) of 89 and 151
The least common multiple (LCM) of 89 and 151 is 13439.
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 89 and 151?
First, calculate the GCD of 89 and 151 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 89 ÷ 151 = 0 remainder 89 |
| 2 | 151 ÷ 89 = 1 remainder 62 |
| 3 | 89 ÷ 62 = 1 remainder 27 |
| 4 | 62 ÷ 27 = 2 remainder 8 |
| 5 | 27 ÷ 8 = 3 remainder 3 |
| 6 | 8 ÷ 3 = 2 remainder 2 |
| 7 | 3 ÷ 2 = 1 remainder 1 |
| 8 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 176 and 177 | 31152 |
| 180 and 155 | 5580 |
| 108 and 53 | 5724 |
| 26 and 95 | 2470 |
| 20 and 30 | 60 |