5
50 - 25 = 25
25
5
5
25
25
50 - 25 = 25
Subtract 25 from 50.
Because 25 is the largest number that will divide into both 25 and 75 evenly.
That would be 25 . In fact, 25 is the onlyfactor of 75 that's a perfect square.
The factors that 10 and 25 have in common are 1 and 5. The greatest (largest) of these is 5.
The GCF is 1. The factors of 3 are 1, 3 The factors of 75 are 1, 3, 5, 15, 25, 75 The factors of 25 are 1, 5, 25 Take the largest factor that is a factor of all 3 numbers. This is 1