648
324,2
162,2,2
81,2,2,2
27,3,2,2,2
9,3,3,2,2,2
3,3,3,3,2,2,2
Chat with our AI personalities
3 is the answer..
Factor tree of 40: 40 20,2 10,2,2 5,2,2,2
Here is a factor tree of eight: 8 / \ 4 2 / \ 2 2
How about: 8*81 = 648 or 2*324 = 648 out of many possibilities
This way!648