\(\textbf{1)}\) What is the least common multiple of \(3\) and \( 5? \)
The LCM is \(15 \)
\(\textbf{2)}\) What is the least common multiple of \(6\) and \( 8? \)
The LCM is \(24 \)
\(\textbf{3)}\) What is the least common multiple of \(6\) and \( 9? \)
The LCM is \(18 \)
\(\textbf{4)}\) What is the least common multiple of \(2\) and \( 7? \)
The LCM is \(14 \)
\(\textbf{5)}\) What is the least common multiple of \(20\) and \( 30? \)
The LCM is \(60 \)
\(\textbf{6)}\) What is the least common multiple of \(2, 3, \) and \( 4? \)
The LCM is \(12 \)
\(\textbf{7)}\) What is the least common multiple of \(2, 5, \) and \( 9? \)
The LCM is \(90 \)
\(\textbf{8)}\) What is the least common multiple of \(4, 5, \) and \( 8? \)
The LCM is \(40 \)
\(\textbf{9)}\) You have basketball practice every 6th day and baseball practice every 8th day. Today you have both practices. In how many days will you have both practices on the same day again?
Every \(24 \) days
\(\textbf{10)}\) Find the Greatest Common Factor (GCF) and the Least Common Multiple (LCM)
\( A=2^4 \times 3 \times 5^2 \times 7 \)
\( A=2^3 \times 3^2 \times 5 \times 7^3 \)
The HCF is \( 2^3 \times 3 \times 5 \times 7=840 \)
The LCM is \( 2^4 \times 3^2 \times 5^2 \times 7^3=1{,}234{,}800 \)
\(\textbf{11)}\) Find the Greatest Common Factor (GCF) and the Least Common Multiple (LCM)
\( A=2^3 \times 3 \times 5^2 \times 7 \)
\( A=3^2 \times 5 \times 11 \)
The HCF is \( 3 \times 5 =15 \)
The LCM is \( 2^3 \times 3^2 \times 5^2 \times 7 \times 11=138{,}600 \)
\(\textbf{12)}\) Find the Greatest Common Factor (GCF) and the Least Common Multiple (LCM)
\( A=2 \times 5 \times 7 \)
\( A=2 \times 3 \times 11 \)
The HCF is \( 2 \)
The LCM is \( 2 \times 3 \times 5 \times 7 \times 11=2{,}310 \)
See Related Pages\(\)
