+<, +>

+< and +> are the left and right shift operators.

say 8 +< 2;    # 32
say 1024 +> 8; # 4

gcd calculates the greatest common denominator of the two integer operands.

say 50 gcd 15; # 5

lcm finds the least common multiple value for the given operands.

say 1043 lcm 14; # 2086

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