210
105,2
35,3,2
7,5,3,2
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20 10,2 5,2,2
IT IS PRIME there is no factor tree
The factor tree of 50:5025,25,5,25025,25,5,2
21
A factor rainbow is a way of notating the process of finding the prime factorization of a given number. It's an upside down factor tree. Example: 2107,5,3,235,3,2105,2210