
Least Common Multiple (LCM) of 50 and 77
The least common multiple (LCM) of 50 and 77 is 3850.
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 50 and 77?
First, calculate the GCD of 50 and 77 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
Step | Calculation |
---|---|
1 | 50 ÷ 77 = 0 remainder 50 |
2 | 77 ÷ 50 = 1 remainder 27 |
3 | 50 ÷ 27 = 1 remainder 23 |
4 | 27 ÷ 23 = 1 remainder 4 |
5 | 23 ÷ 4 = 5 remainder 3 |
6 | 4 ÷ 3 = 1 remainder 1 |
7 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
Numbers | LCM |
---|---|
31 and 31 | 31 |
190 and 96 | 9120 |
178 and 48 | 4272 |
137 and 138 | 18906 |
181 and 15 | 2715 |