55
5,11
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Sure thing, honey. To find the factor tree of 275, you start by dividing it by the smallest prime number, which is 5. You get 5 x 55. Then you keep breaking down 55 until you hit prime numbers. So, the factor tree of 275 is 5 x 5 x 11. Voilà!
IT IS PRIME there is no factor tree
The greatest common factor of 15 and 55 is 5.
The greatest common factor of 55 and 88 is 11.
The greatest common factor of 55 and 99 is 11.The GCF of 55 and 99 is 11.