A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 2133000 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 27 30 36 40 45 50 54 60 72 75 79 90 100 108 120 125 135 150 158 180 200 216 225 237 250 270 300 316 360 375 395 450 474 500 540 600 632 675 711 750 790 900 948 1,000 1,080 1,125 1,185 1,350 1,422 1,500 1,580 1,800 1,896 1,975 2,133 2,250 2,370 2,700 2,844 3,000 3,160 3,375 3,555 3,950 4,266 4,500 4,740 5,400 5,688 5,925 6,750 7,110 7,900 8,532 9,000 9,480 9,875 10,665 11,850 13,500 14,220 15,800 17,064 17,775 19,750 21,330 23,700 27,000 28,440 29,625 35,550 39,500 42,660 47,400 53,325 59,250 71,100 79,000 85,320 88,875 106,650 118,500 142,200 177,750 213,300 237,000 266,625 355,500 426,600 533,250 711,000 1,066,500 and 2,133,000, with no remainder.
Since 2,133,000 cannot be divided by just 1 and 2,133,000, it is not a prime number.