Least Common Multiple (LCM) of 77 and 151
The least common multiple (LCM) of 77 and 151 is 11627.
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 151?
First, calculate the GCD of 77 and 151 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 77 ÷ 151 = 0 remainder 77 |
| 2 | 151 ÷ 77 = 1 remainder 74 |
| 3 | 77 ÷ 74 = 1 remainder 3 |
| 4 | 74 ÷ 3 = 24 remainder 2 |
| 5 | 3 ÷ 2 = 1 remainder 1 |
| 6 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 194 and 159 | 30846 |
| 96 and 130 | 6240 |
| 115 and 45 | 1035 |
| 128 and 78 | 4992 |
| 191 and 190 | 36290 |