8
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The factors of 8 are: 1,2,4,and 8. The factor pairs of 8 are: 1x8 2x4 These are the only two factor pairs
all numbers that are multiples of 4 have 2 as factor
224 8 x 28 (2x4) x (4x7) (2 x (2x2)) x ((2x2) x 7) Since 2 and 7 are prime numbers, the factor tree is complete.
Can be eight or eleven feet long. In actuality, it can be as long as you want. 2x4 refers to the width and height dimensions of the plank, not the length. So I could cut a 2x4 to 2 inches long and it would be a 2 inch long 2x4.
224 112,2 56,2,2 28,2,2,2 14,2,2,2,2 7,2,2,2,2,2