
Least Common Multiple (LCM) of 69 and 23
The least common multiple (LCM) of 69 and 23 is 69.
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 69 and 23?
First, calculate the GCD of 69 and 23 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
Step | Calculation |
---|---|
1 | 69 ÷ 23 = 3 remainder 0 |
Examples of LCM Calculations
Numbers | LCM |
---|---|
187 and 130 | 24310 |
31 and 37 | 1147 |
67 and 55 | 3685 |
199 and 54 | 10746 |
51 and 117 | 1989 |