Q: Is 1,797,640 a Prime Number?
A: No, 1,797,640 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 1797640 can be evenly divided by 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 3,457 6,914 13,828 17,285 27,656 34,570 44,941 69,140 89,882 138,280 179,764 224,705 359,528 449,410 898,820 and 1,797,640, with no remainder.
Since 1,797,640 cannot be divided by just 1 and 1,797,640, it is not a prime number.