5 lines
215 B
Text
5 lines
215 B
Text
var nums = [1275792312878611, 12345678915808973,
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1578070919762253, 14700694496703910,];
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var factors = nums.map {|n| prime_factors.ffork(n) }.map { .wait }
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say ((nums ~Z factors)->max_by {|m| m[1][0] })
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