Least Common Multiple (LCM) of 91 and 153
The least common multiple (LCM) of 91 and 153 is 13923.
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 91 and 153?
First, calculate the GCD of 91 and 153 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 91 ÷ 153 = 0 remainder 91 |
| 2 | 153 ÷ 91 = 1 remainder 62 |
| 3 | 91 ÷ 62 = 1 remainder 29 |
| 4 | 62 ÷ 29 = 2 remainder 4 |
| 5 | 29 ÷ 4 = 7 remainder 1 |
| 6 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 168 and 150 | 4200 |
| 47 and 95 | 4465 |
| 18 and 102 | 306 |
| 172 and 42 | 3612 |
| 12 and 78 | 156 |