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Q: Can 1 and the factor be used itself to be a factor tree?

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1 has one factor: itself.11 has two factors: one and itself.

No because you have to have a prime number besides 1 like 2,5,7 because every time you use a factor tree and you put a 1 as prime you keep getting one every time.So one can not be use as a factor when doing a factor tree.

39 3,13

2 1, 2

19 is already prime. No need for a tree.19 is prime. No tree.

Related questions

109 109 x 1 This is all there is to the factor tree, because 109 is a prime number. Normally, I wouldn't use 1 in a factor tree, but I do in this case to make it clear that I have done a factor tree, since 109 is only divisible by itself and 1.

23 is prime number. Its only factors are 1 and itself (23)

1 x 89 (89 is a prime number, so its only factors are 1 and itself)

No. A prime number is one that has no factors except the number '1' and itself.

There is no factorization of 293 because 293 is a prime number. It is divisible only by 1 and itself.

A factor tree is a way to notate the process of finding the prime factorization. If completed successfully, the bottom row (branch) will display the prime factorization of the number you started with.

1 has one factor, itself.

127 /\ 127 x 1 127 is a prime number which means that it can only be divided or simplified by 1 and itself

Factor tree for 51: 51 * 1 or 17 * 3 Factor tree for 255: 255 * 1 or 51 * 5

no

1 has one factor: itself.11 has two factors: one and itself.

59 is a prime number and as such has only two factors: 1 and 59 A factor tree doesn't make sense for prime numbers since it would only have one branch: the number itself.