My mom was born in 1963!
Number Theory
Level
3
Find the number of trailing zeroes in 1963!
You can also try this or My Other Problems .
The answer is 488.
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divide 1963 by 5 and find quotient again divide quotient by 5 and repeat till quotient is < 5
add all quotients will give trailing zeroes.
1963/5 = 392
392/5 = 78
78/5 = 15
15/5 = 3
392 + 78 + 15 + 3 = 488