Least Common Multiple (LCM) of 98 and 157
The least common multiple (LCM) of 98 and 157 is 15386.
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 98 and 157?
First, calculate the GCD of 98 and 157 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 98 ÷ 157 = 0 remainder 98 |
| 2 | 157 ÷ 98 = 1 remainder 59 |
| 3 | 98 ÷ 59 = 1 remainder 39 |
| 4 | 59 ÷ 39 = 1 remainder 20 |
| 5 | 39 ÷ 20 = 1 remainder 19 |
| 6 | 20 ÷ 19 = 1 remainder 1 |
| 7 | 19 ÷ 1 = 19 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 123 and 30 | 1230 |
| 31 and 191 | 5921 |
| 74 and 144 | 5328 |
| 38 and 166 | 3154 |
| 14 and 91 | 182 |