Q: Is 2,142,400 a Prime Number?
A: No, 2,142,400 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 2142400 can be evenly divided by 1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 64 65 80 100 103 104 130 160 200 206 208 260 320 325 400 412 416 515 520 650 800 824 832 1,030 1,040 1,300 1,339 1,600 1,648 2,060 2,080 2,575 2,600 2,678 3,296 4,120 4,160 5,150 5,200 5,356 6,592 6,695 8,240 10,300 10,400 10,712 13,390 16,480 20,600 20,800 21,424 26,780 32,960 33,475 41,200 42,848 53,560 66,950 82,400 85,696 107,120 133,900 164,800 214,240 267,800 428,480 535,600 1,071,200 and 2,142,400, with no remainder.
Since 2,142,400 cannot be divided by just 1 and 2,142,400, it is not a prime number.