No. 580/40=14.5 (not a whole number, which is needed in order to indicate that it is a multiple)
The Least Common Multiple (LCM) of 58 and 20 is 580.
2% of 580 = 2% * 580 = 0.02 * 580 = 11.6
580
580 is a common multiple: it is not the least but that was not a requirement.
580 = 2*2*5*29
It is: 2*2*5*29 = 580
1 x 580, 2 x 290, 4 x 145, 5 x 116, 10 x 58, 20 x 29.
As a product of its prime factors: 2*2*5*29 = 580
As a product of its prime factors: 2*2*5*29 = 580
As a product of its prime factors: 2*2*5*29 = 580
Least Common Multiple (LCM) for 20 29 is 580