Least Common Multiple (LCM) of 70 and 101
The least common multiple (LCM) of 70 and 101 is 7070.
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 70 and 101?
First, calculate the GCD of 70 and 101 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 70 ÷ 101 = 0 remainder 70 |
| 2 | 101 ÷ 70 = 1 remainder 31 |
| 3 | 70 ÷ 31 = 2 remainder 8 |
| 4 | 31 ÷ 8 = 3 remainder 7 |
| 5 | 8 ÷ 7 = 1 remainder 1 |
| 6 | 7 ÷ 1 = 7 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 192 and 96 | 192 |
| 107 and 113 | 12091 |
| 196 and 138 | 13524 |
| 199 and 173 | 34427 |
| 55 and 56 | 3080 |