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MATH / If a and b are positive integers such that gcd(a,b)=210, mathoptextlcm[a,b]=210^3, and a<b, how many possible values are there for a? · Discussion

Discussing If a and b are positive integers such that gcd(a,b)=210, mathop{text{lcm}}[a,b]=210^3, and a<b, how many possible values are there for a? · MATH

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