Q: Is 1,491,504 a Prime Number?
A: No, 1,491,504 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 1491504 can be evenly divided by 1 2 3 4 6 7 8 12 14 16 21 23 24 28 42 46 48 56 69 84 92 112 138 161 168 184 193 276 322 336 368 386 483 552 579 644 772 966 1,104 1,158 1,288 1,351 1,544 1,932 2,316 2,576 2,702 3,088 3,864 4,053 4,439 4,632 5,404 7,728 8,106 8,878 9,264 10,808 13,317 16,212 17,756 21,616 26,634 31,073 32,424 35,512 53,268 62,146 64,848 71,024 93,219 106,536 124,292 186,438 213,072 248,584 372,876 497,168 745,752 and 1,491,504, with no remainder.
Since 1,491,504 cannot be divided by just 1 and 1,491,504, it is not a prime number.