13 is a Prime number in its own right because it has only two factors which are itself and one
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A factor tree of 78: 78 6 x 13 (2x3) x 13 Since 2, 3, and 13 are prime numbers, the factor tree is complete.
2 and 13 are the prime factors and the other factors are 1 and 26
Yes, 13 is a prime factor.
The prime factor tree of 280 is:140,270,2,235,2,2,27,5,2,2,2
factor trees and prime factor trees are the same thing with different names.