Answer:
1!
Least Common Multiple of 7 and 15 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7 and 15, than apply into the LCM equation.
GCF(7,15) = 1
LCM(7,15) = ( 7 × 15) / 1
LCM(7,15) = 105 / 1
LCM(7,15) = 105