Q-> What is the highest power of 3 available in the expression 58! - 38! ? Thanks
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Originally Posted by a69356 Q-> What is the highest power of 3 available in the expression 58! - 38! ? Thanks Write this as: $\displaystyle 58!-38!=38! \left( \frac{58!}{38!}-1 \right)$ As the term in brackets is not divisible by $\displaystyle 3$, you are asking what is the highest power of $\displaystyle 3$ in $\displaystyle 38!$ CB
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