Q: Is 1,724,620 a Prime Number?
A: No, 1,724,620 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 1724620 can be evenly divided by 1 2 4 5 10 20 53 106 212 265 530 1,060 1,627 3,254 6,508 8,135 16,270 32,540 86,231 172,462 344,924 431,155 862,310 and 1,724,620, with no remainder.
Since 1,724,620 cannot be divided by just 1 and 1,724,620, it is not a prime number.