Question

Can the no.6n ,n is being a natural no. End with digit 5

Answer 1

no it is not possible because for ending the no. 6n with digit 5 it is necessary that the number will have a factor 5 in this case 6 has only two factors which are 2×3. So that's why the no. 6n can't end with the digit 5

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Answer 2

Answer:

No, the no. 6n ,n being a natural no. cannot end with 5. Let us check the factors of 6. 6=2x3. According to fundamental theorem of arithmetics a no. can be xpressed as d product of its primes bt there is no factor of 5 therefore 6n cannot end with 5.

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