Q: Is 515,320 a Prime Number?
A: No, 515,320 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 515320 can be evenly divided by 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 991 1,982 3,964 4,955 7,928 9,910 12,883 19,820 25,766 39,640 51,532 64,415 103,064 128,830 257,660 and 515,320, with no remainder.
Since 515,320 cannot be divided by just 1 and 515,320, it is not a prime number.