Least Common Multiple (LCM) of 137 and 77
The least common multiple (LCM) of 137 and 77 is 10549.
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 137 and 77?
First, calculate the GCD of 137 and 77 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 137 ÷ 77 = 1 remainder 60 |
| 2 | 77 ÷ 60 = 1 remainder 17 |
| 3 | 60 ÷ 17 = 3 remainder 9 |
| 4 | 17 ÷ 9 = 1 remainder 8 |
| 5 | 9 ÷ 8 = 1 remainder 1 |
| 6 | 8 ÷ 1 = 8 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 59 and 16 | 944 |
| 120 and 31 | 3720 |
| 58 and 50 | 1450 |
| 20 and 105 | 420 |
| 148 and 84 | 3108 |