Q: Is 2,142,450 a Prime Number?
A: No, 2,142,450 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 2142450 can be evenly divided by 1 2 3 5 6 9 10 15 18 23 25 27 30 45 46 50 54 69 75 81 90 115 135 138 150 162 207 225 230 270 345 405 414 450 529 575 621 675 690 810 1,035 1,058 1,150 1,242 1,350 1,587 1,725 1,863 2,025 2,070 2,645 3,105 3,174 3,450 3,726 4,050 4,761 5,175 5,290 6,210 7,935 9,315 9,522 10,350 13,225 14,283 15,525 15,870 18,630 23,805 26,450 28,566 31,050 39,675 42,849 46,575 47,610 71,415 79,350 85,698 93,150 119,025 142,830 214,245 238,050 357,075 428,490 714,150 1,071,225 and 2,142,450, with no remainder.
Since 2,142,450 cannot be divided by just 1 and 2,142,450, it is not a prime number.