Least Common Multiple (LCM) of 77 and 153
The least common multiple (LCM) of 77 and 153 is 11781.
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 77 and 153?
First, calculate the GCD of 77 and 153 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 77 ÷ 153 = 0 remainder 77 |
| 2 | 153 ÷ 77 = 1 remainder 76 |
| 3 | 77 ÷ 76 = 1 remainder 1 |
| 4 | 76 ÷ 1 = 76 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 124 and 109 | 13516 |
| 71 and 151 | 10721 |
| 128 and 67 | 8576 |
| 57 and 123 | 2337 |
| 75 and 144 | 3600 |