Least Common Multiple (LCM) of 77 and 147
The least common multiple (LCM) of 77 and 147 is 1617.
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 147?
First, calculate the GCD of 77 and 147 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 77 ÷ 147 = 0 remainder 77 |
| 2 | 147 ÷ 77 = 1 remainder 70 |
| 3 | 77 ÷ 70 = 1 remainder 7 |
| 4 | 70 ÷ 7 = 10 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 83 and 114 | 9462 |
| 177 and 112 | 19824 |
| 77 and 13 | 1001 |
| 189 and 53 | 10017 |
| 188 and 46 | 4324 |