\(\textbf{1)}\) What is the greatest common factor of \(20\) and \(50\)?
The GCF is 10
\(\textbf{2)}\) What is the greatest common factor of \(24\) and \(40\)?
The GCF is 8
\(\textbf{3)}\) What is the greatest common factor of \(15\) and \(45\)?
The GCF is 15
\(\textbf{4)}\) What is the greatest common factor of \(30, 45,\) and \( 150? \)
The GCF is \(15 \)
\(\textbf{5)}\) What is the greatest common factor of \(20, 30\) and \(40\)?
The GCF is 10
\(\textbf{6)}\) What is the greatest common factor of \(25, 15\) and \(36\)?
The GCF is 1
\(\textbf{7)}\) What is the greatest common factor of \(20, 32\) and \(80\)?
The GCF is 4
\(\textbf{8)}\) What is the greatest common factor of \(30\) and \(55\)?
The GCF is 5
\(\textbf{9)}\) A baker is making identical treat baskets. He has 56 cookies and 8 brownies. What is the greatest number of baskets the baker can make with no items left over?
\(8 \) baskets
\(\textbf{10)}\) 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\(\)
