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munt4life

Sun Oct 09, 2011 6:52 pm


Persistance of a number only one greater than 4 from 10-100

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The persistance is a the number of times the product of a number is carried out ex.
56   becomes 5*6  30    becomes 3*0  becomes 3 so the persistance is 2
53~~~15~~~~5

So how do i find the persistance of a number greater than 3 from 10-100 i know its 77, i have to make a program like this so i have

abc=False
per=0
for i in range (1,100):

    if (i/10)*(i%10) > 9:
        abc==True
        per=1
    if abc==True:
        i/10 * i%10
        per+=1
if per