The factors of 70 are:
1, 2, 5, 7, 10, 14, 35, 70
The factors of 75 are:
1, 3, 5, 15, 25, 75
The factors of 80 are:
1, 2, 4, 5, 8, 10, 16, 20, 40, 80
The common factors are:
1, 5
The Greatest Common Factor (GCF) is:
5
25, 50, 75, 100, 125, 150, 175, 200, 225, 250, 275, . . .
Since 25 is a factor of 100, it is automatically the GCF.
150 30:60,90,120,150,180... 75:150...
They are 25*1, 25*2, 25*3, 25*4 and 25*5. You seem to be unaware of the fact that you could have obtained the answer much more easily and quickly by using the calculator that comes as part of your computer.
If you mean 300 and 450 then the GCF is 150
It is: 25
The GCF of 75, 125, and 150 is 25.75 = 3 * 25125= 5*25150 = 2*3*25
The GCF is 25.
It is: 25
25, 50, 75, 100, 125, 150, 175, 200, 225, 250, 275, . . .
The GCF is 75.
The GCF is 75.
The GCF is 75.
The GCF is 75.
It is: 25
150 30:60,90,120,150,180... 75:150...
Since 25 is a factor of 100, it is automatically the GCF.