Q: Is 1,042,240 a Prime Number?
A: No, 1,042,240 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 1042240 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 160 320 3,257 6,514 13,028 16,285 26,056 32,570 52,112 65,140 104,224 130,280 208,448 260,560 521,120 and 1,042,240, with no remainder.
Since 1,042,240 cannot be divided by just 1 and 1,042,240, it is not a prime number.