Q: Is 1,145,724 a Prime Number?
A: No, 1,145,724 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 1145724 can be evenly divided by 1 2 3 4 6 12 307 311 614 622 921 933 1,228 1,244 1,842 1,866 3,684 3,732 95,477 190,954 286,431 381,908 572,862 and 1,145,724, with no remainder.
Since 1,145,724 cannot be divided by just 1 and 1,145,724, it is not a prime number.