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deleted 49 characters in body

edited Aug 26, 2020 at 13:07

edited Aug 26, 2020 at 13:07

J, 9⁹ 8 bytes

1=#@~.@q1=#@=@q:

-1 byte thanks to xash

Tests if the uniqself-classify ~.= of the prime factors q: has length # equal to one 1=

1=#@~.@q:

Tests if the uniq ~. of the prime factors q: has length # equal to one 1=

1=#@=@q:

-1 byte thanks to xash

Tests if the self-classify = of the prime factors q: has length # equal to one 1=

answered Aug 26, 2020 at 4:03

answered Aug 26, 2020 at 4:03

1=#@~.@q:

Tests if the uniq ~. of the prime factors q: has length # equal to one 1=