Q: Is 1,680,518 a Prime Number?
A: No, 1,680,518 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 1680518 can be evenly divided by 1 2 7 14 17 23 34 46 119 161 238 307 322 391 614 782 2,149 2,737 4,298 5,219 5,474 7,061 10,438 14,122 36,533 49,427 73,066 98,854 120,037 240,074 840,259 and 1,680,518, with no remainder.
Since 1,680,518 cannot be divided by just 1 and 1,680,518, it is not a prime number.