Q: Is 28,245 a Prime Number?
A: No, 28,245 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 28245 can be evenly divided by 1 3 5 7 15 21 35 105 269 807 1,345 1,883 4,035 5,649 9,415 and 28,245, with no remainder.
Since 28,245 cannot be divided by just 1 and 28,245, it is not a prime number.