Q: Is 1,421,260 a Prime Number?
A: No, 1,421,260 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 1421260 can be evenly divided by 1 2 4 5 10 20 179 358 397 716 794 895 1,588 1,790 1,985 3,580 3,970 7,940 71,063 142,126 284,252 355,315 710,630 and 1,421,260, with no remainder.
Since 1,421,260 cannot be divided by just 1 and 1,421,260, it is not a prime number.