47/51
47, yes. 51, no.
47 is a prime number and is divisible by 1 and 47 only. 51 is divisible by 1, 3, 17, 51.
First you must move the 4 to the other side of the equal sign. 5x-4=47 +4 +4 5x=51 Then you must divide by 5 to get x alone. 5x=51 5 5 x=51/5
The LCM is 38352.
51 = 3x17
51
51 is composite.
-4
Only 51. (51 = 3 x 17)
The only number which is not a prime number in that list is 49 - it is equal to seven squared.
47 is equal to XLVII in Roman numerals.