Least Common Multiple (LCM) of 87 and 98
The least common multiple (LCM) of 87 and 98 is 8526.
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 87 and 98?
First, calculate the GCD of 87 and 98 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 87 ÷ 98 = 0 remainder 87 |
| 2 | 98 ÷ 87 = 1 remainder 11 |
| 3 | 87 ÷ 11 = 7 remainder 10 |
| 4 | 11 ÷ 10 = 1 remainder 1 |
| 5 | 10 ÷ 1 = 10 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 65 and 187 | 12155 |
| 74 and 100 | 3700 |
| 83 and 62 | 5146 |
| 188 and 124 | 5828 |
| 142 and 72 | 5112 |