
Least Common Multiple (LCM) of 28 and 58
The least common multiple (LCM) of 28 and 58 is 812.
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 28 and 58?
First, calculate the GCD of 28 and 58 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
Step | Calculation |
---|---|
1 | 28 ÷ 58 = 0 remainder 28 |
2 | 58 ÷ 28 = 2 remainder 2 |
3 | 28 ÷ 2 = 14 remainder 0 |
Examples of LCM Calculations
Numbers | LCM |
---|---|
118 and 18 | 1062 |
63 and 133 | 1197 |
39 and 199 | 7761 |
199 and 137 | 27263 |
129 and 135 | 5805 |