Question

Find the number trailing of zeroes at the end of 1250!


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Answer 1

Answer:

Number of trailing zeroes is the Power of 10 in the expression or in other words, the number of times N is divisible by 10.

For a number to be divisible by 10, it should be divisible by 2 & 5.

Consider a number N, such that

TRAIL-2

For the number to have a zero at the end, both a & b should be at least 1.

If you want to figure out the exact number of zeroes, you would have to check how many times the number N is divisible by 10.

When I am dividing N by 10, it will be limited by the powers of 2 or 5, whichever is lesser.

Step-by-step explanation:

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