Largest prime power divisor

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This article defines an arithmetic function or number-theoretic function: a function from the natural numbers to a ring (usually, the ring of integers, rational numbers, real numbers, or complex numbers).
View a complete list of arithmetic functions


Let be a natural number. The largest prime power divisor of , sometimes denoted and sometimes denoted , is defined as the largest prime power that divides .


The ID of the sequence in the Online Encyclopedia of Integer Sequences is A034699

Lower bound

Further information: Largest prime power divisor has logarithmic lower bound

The largest prime power divisor of is greater than . Thus, we have:


Asymptotic fraction

Further information: Fractional distribution of largest prime power divisor

The value of is almost uniformly distributed in the interval .