four times the number
-1
You had me until "product." The product of 4 digits can't be prime.
4n - 6
14
The sum of four and the product of three and a number xxxx.
four times the number
the product of 15 and a number by its self four times.
To find the appropriate guide page within the emergency response guidebook, you must use the four-digit identification number or product name of the material.
-1
4-x+45
You had me until "product." The product of 4 digits can't be prime.
14
4n - 6
14
48
n