+0

# help asap!

0
211
3

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 $a$?

Jun 27, 2021

#1
0

The possible values of a are 2, 3, 5, 7, for a total of 4 possible values.

Jun 30, 2021
#2
0