The pattern is division by two (10/2=5, 5/2=2.5 and so on)
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the next number in the sequence 1 5 25 125 is 625
I think it is to start at 1 and multiply by 5 each time. So, 1*5=5, 5*5=25, 25*5=125 etc.
Factors of 25 are 1, 5, and 25 Factors of 125 are 1, 5, 25, and 125 The GCF of 25 and 125 is 25
The GCF is 25.It is: 25
25