Question

what will the repeated subtraction of 169​

Answer 1

I think that answer is 0.

Answer 2

Answer:13

Step-by-step explanation:

169-1=168

168-3=165

165-5=160

160-7=153

153-9=144

144-11=133

133-13=120

120-15=105

105-17=88

88-19=69

69-21=48

48-23=25

25-25=0

So answer is 13 if u count all of it and also by prime factorization