Prime factors: 2 x 2 x 5
Factors: 1, 2, 4, 5, 10, 20
Proper factors: 2, 4, 5, 10
No.
List the factors.Use factor trees.Use factor rainbows.
Three.
12 and 18 have three factor pairs.
Three of them.
Three ways to factor 42 are factor trees, fireworks and rainbows.
Three Delivery - 2008 Fear Factor 1-20 was released on: USA: 7 May 2009
20%, 0.2, 1/5
12 and 18 have three factor pairs.
12 or 18
10 and 15 15 and 20 20 and 25
24x25