Least Common Multiple (LCM) of 61 and 88
The least common multiple (LCM) of 61 and 88 is 5368.
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 61 and 88?
First, calculate the GCD of 61 and 88 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 61 ÷ 88 = 0 remainder 61 |
| 2 | 88 ÷ 61 = 1 remainder 27 |
| 3 | 61 ÷ 27 = 2 remainder 7 |
| 4 | 27 ÷ 7 = 3 remainder 6 |
| 5 | 7 ÷ 6 = 1 remainder 1 |
| 6 | 6 ÷ 1 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 18 and 57 | 342 |
| 19 and 29 | 551 |
| 61 and 49 | 2989 |
| 155 and 128 | 19840 |
| 82 and 97 | 7954 |