Q: Is 845,320 a Prime Number?
A: No, 845,320 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 845320 can be evenly divided by 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 3,019 6,038 12,076 15,095 21,133 24,152 30,190 42,266 60,380 84,532 105,665 120,760 169,064 211,330 422,660 and 845,320, with no remainder.
Since 845,320 cannot be divided by just 1 and 845,320, it is not a prime number.