Which of the following numbers have $$15$$ as their factor? (i) $$15625$$ (ii) $$123015$$.
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Solution
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1) 15625
Since 15625 is not divisible by 15
.So, 15625 is not a factor of 15.
2) 123015
Since 123015 is divisible by 15,
So, 123015 is a factor of 15.
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