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Please help me prove or disprove this: 'If a number's last digits are 1, 2, and 5, then the number is divisible by 125'

User Dimentica
by
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2 Answers

5 votes

Answer:

Yes but it depends what is it addtion or sub

Explanation:

User PJay
by
8.1k points
5 votes

Answer:

False

Explanation:

This is not true

To disprove, here's a counter-example:

261 ends with 1 but is not divisible by 125.

261/125

(250+11)/125

250/125 + 11/125

2 11/125

Since there's a remainder of 11, 261 is not divisible by 125

User Ivaylo Toskov
by
7.5k points
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