You need at least two numbers to find an LCM.
The LCM of 83 and 723 is 60009
The factors of 723 are: 1, 3, 241, 723.
723 as a decimal = 723.0
723-150 = 573
3, 241 are the factors of 723
723 is divisible by 3
723 is composite. Its positive integer factors are: 1, 3, 241, 723
723 micrograms = 0.723 milligrams.
0.0194
241
1, 3, 241, 723
No, 723 is not a prime number as it is divisible by 3.