Q: Is 1,239,624 a Prime Number?
A: No, 1,239,624 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 1239624 can be evenly divided by 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 324 648 1,913 3,826 5,739 7,652 11,478 15,304 17,217 22,956 34,434 45,912 51,651 68,868 103,302 137,736 154,953 206,604 309,906 413,208 619,812 and 1,239,624, with no remainder.
Since 1,239,624 cannot be divided by just 1 and 1,239,624, it is not a prime number.