GCF of 18 and 405 is 93
factor tree of 216
The prime factor tree of 280 is:140,270,2,235,2,2,27,5,2,2,2
The Greatest Common Factor of the two numbers is 9. 288/9 = 32, 405/9 = 45.
Factor Tree of 20: ........20 ......../ \ .......4 5 ....../ \ .....2 2
405 135,3 45,3,3 15,3,3,3 5,3,3,3,3
The greatest common factor of 288 and 405 is 9.
2205 735,3 245,3,3 49,5,3,3 7,7,5,3,3
GCF of 18 and 405 is 93
The GCF is 27.
The GCF/HCF of 486 and 405 is 81.
The GCF is 3.
The GCF is 15.
IT IS PRIME there is no factor tree
Factor tree of 204
factor tree of 216
81 is the only one.