No it isn't.
Yes
yes 60 times
It is: 5.41*10^2
1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144
2 and 541 (2164=2x2x541)
1, 2, 541, 1082
322875 is divisible by 5. That means it's composite.
What 541 do you have? 541 sporter,541 heavy barrel target, 541X
1, 541 (541 is a prime number).
It is: 5.41*10^2
1 and 541.
541 is an integer and not a fraction but, if you must, you could express it as 541/1