1 x 135
3 x 105
5 x 63
7 x 45
9 x 35
15 x 21
The highest common factor of both numbers is 315
Since 315 is a factor of 3150, all of its factors are common.
factor pair = 1512,1 factor pair = 756,2 factor pair = 504,3 factor pair = 378,4 factor pair = 252,6 factor pair = 216,7 factor pair = 189,8 factor pair = 168,9 factor pair = 126,12 factor pair = 108,14 factor pair = 84,18 factor pair = 72,21 factor pair = 63,24 factor pair = 56,27 factor pair = 54,28 factor pair = 42,36
Use a factor tree. 315 105,3 35,3,3 7,5,3,3
Since 9 is a factor of 315, it is automatically the GCF.
The greatest common factor of 315 , 525 = 105
factor pair = 650,1 factor pair = 325,2 factor pair = 130,5 factor pair = 65,10 factor pair = 50,13 factor pair = 26,25
Since 315 is a factor of 1575, it is automatically the GCF of this problem.
The Greatest Common Factor (GCF) of 84 and 315 is: 21
factor pair = 36,1 factor pair = 18,2 factor pair = 12,3 factor pair = 9,4 factor pair = 6,6
factor pair = 90,1 factor pair = 45,2 factor pair = 30,3 factor pair = 18,5 factor pair = 15,6 factor pair = 10,9 Doctor Chuck Mathdoc
The Greatest Common Factor of 5, 315, 2: 1