1, 2, 3, 6, 9, 18, 27, 54
or 1, 54
2, 27
3, 18
6, 9
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3,3,3,39,3,327,381
A way to show factor pairs in a list of all the factors of a number. A factor rainbow can be used to check whether a list of factors is correct.
18 6*3 = 18 54/18 = 3
A factor rainbow is a visual representation of the factors of a number. For the number 45, the factor rainbow would display its prime factorization, which is 3 x 3 x 5. This would be represented in a factor rainbow as 45 at the top, with 3 and 5 branching out from it, each with a 3 branching out from it as well. This shows how 45 can be broken down into its prime factors.
5,2,2,2 10,2,2 20,2 40