Common factors are
1, 2, 5, & 10
To find what goes into both 70 and 40, we look for their common factors. The factors of 70 are 1, 2, 5, 7, 10, 14, 35, and 70, while the factors of 40 are 1, 2, 4, 5, 8, 10, 20, and 40. The common factors are 1, 2, 5, and 10, with 10 being the greatest common factor. Thus, the numbers that go into both 70 and 40 are 1, 2, 5, and 10.
40, 50 and 60
Out of that list, only 1760.
The variance is: 500.0
40% of 70= 40% * 70= 0.4 * 70= 28
30, 50, 60 70 and so on.
The factors for 40 are 1,2,4,5,8,10,20,40 The factors for 50 are 1,2,5,10,25,50
Take your pick; 10 and 20, 10 and 30, 10 and 40, 10 and 50, 10 and 60, 10 and 70, 10 and 80, 10 and 90, 20 and 30, 20 and 50, 20 and 70, 20 and 90, 30 and 40, 30 and 50, 30 and 70, 30 and 80, 40 and 50, 40 and 70, 40 and 90, 50 and 60, 50 and 70, 50 and 80 50 and 90, 60 and 70, 70 and 80, 70 and 90, 80 and 90.
The factors of 40 are: 1, 2, 4, 5, 8, 10, 20, 40 The factors of 70 are: 1, 2, 5, 7, 10, 14, 35, 70
The factors of 2 are: 1, 2 The factors of 50 are: 1, 2, 5, 10, 25, 50 The factors of 70 are: 1, 2, 5, 7, 10, 14, 35, 70
The common factors of 40 and 70 are 1, 2, 5, 10
The common factors of 40 and 70 are 1, 2, 5, 10. 2 and 5 are prime.
For 40: 2 and 5 For 70: 2, 5 and 7
The common factors of 40 and 50 are: 1, 2, 5, and 10
10, 20, 30, 40, 50, 60, 70, 80 and 90.
The common factors of 30, 50, and 70 are: 1, 2, 5, and 10.
40 50 70