Least Common Multiple (LCM) of 91 and 156
The least common multiple (LCM) of 91 and 156 is 1092.
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 156?
First, calculate the GCD of 91 and 156 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 91 ÷ 156 = 0 remainder 91 |
| 2 | 156 ÷ 91 = 1 remainder 65 |
| 3 | 91 ÷ 65 = 1 remainder 26 |
| 4 | 65 ÷ 26 = 2 remainder 13 |
| 5 | 26 ÷ 13 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 70 and 108 | 3780 |
| 124 and 35 | 4340 |
| 85 and 138 | 11730 |
| 63 and 200 | 12600 |
| 103 and 90 | 9270 |