234
117,2
39,3,2
13,3,3,2
Simple. the only two factors for thirty one are itself and one because 31 is a Prime number.
243
81,3
27,3,3
9,3,3,3
3,3,3,3,3
221
13,17
Not much of a tree. More like a factor shrub.
231
77,3
11,7,3
2261
323,7
19,17,7
217
7,31
231 / \ 3 77 / \ 7 11 / \ 11 1
The factors of 231 are 1,3,7,11,21,33,77 and 231 The factors of 210 are 1,2,3,5,6,7,10,14,15,21,30,35,42,70,105 and 210 The common factors are therefore 1,3,7 and 21
46 = 21 x 231
For 231, 147 the LCM is: 1,617
The term common factors specifically refers to the factors shared by two or more numbers.The factors of 231 are: 1, 3, 7, 11, 21, 33, 77, and 231.
231 77,3 11,7,3
231 77,3 11,7,3
231 77,3 11,7,3
231 3, 77 3, 7, 11
231 / \ 77*3 / \ 11*7 231=11*7*3
231 77,3 11,7,3 285 95,3 19,5,3 111 3,37
The longest factor string you can make for 231 is 3x7x11.
The greatest common factor of 231 and 154 is 77.
231 / \ 3 77 / \ 7 11 / \ 11 1
The greatest common factor (GCF) of 121 and 231 is 11.
The GCF is 21.
The greatest common factor of 105 and 231 is 21.