Least Common Multiple (LCM) of 70 and 151
The least common multiple (LCM) of 70 and 151 is 10570.
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 151?
First, calculate the GCD of 70 and 151 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 70 ÷ 151 = 0 remainder 70 |
| 2 | 151 ÷ 70 = 2 remainder 11 |
| 3 | 70 ÷ 11 = 6 remainder 4 |
| 4 | 11 ÷ 4 = 2 remainder 3 |
| 5 | 4 ÷ 3 = 1 remainder 1 |
| 6 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 17 and 20 | 340 |
| 129 and 55 | 7095 |
| 104 and 38 | 1976 |
| 151 and 155 | 23405 |
| 21 and 108 | 756 |