Q: Is 2,142,990 a Prime Number?
A: No, 2,142,990 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 2142990 can be evenly divided by 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 7,937 15,874 23,811 39,685 47,622 71,433 79,370 119,055 142,866 214,299 238,110 357,165 428,598 714,330 1,071,495 and 2,142,990, with no remainder.
Since 2,142,990 cannot be divided by just 1 and 2,142,990, it is not a prime number.