
Least Common Multiple (LCM) of 147 and 70
The least common multiple (LCM) of 147 and 70 is 1470.
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 147 and 70?
First, calculate the GCD of 147 and 70 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
Step | Calculation |
---|---|
1 | 147 ÷ 70 = 2 remainder 7 |
2 | 70 ÷ 7 = 10 remainder 0 |
Examples of LCM Calculations
Numbers | LCM |
---|---|
185 and 142 | 26270 |
79 and 31 | 2449 |
131 and 153 | 20043 |
21 and 129 | 903 |
180 and 77 | 13860 |