Q: Is 997,580 a Prime Number?
A: No, 997,580 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 997580 can be evenly divided by 1 2 4 5 10 20 31 62 124 155 310 620 1,609 3,218 6,436 8,045 16,090 32,180 49,879 99,758 199,516 249,395 498,790 and 997,580, with no remainder.
Since 997,580 cannot be divided by just 1 and 997,580, it is not a prime number.