Q: Is 2,121,600 a Composite Number?

Why is 2,121,600 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 2,121,600 can be evenly divided by 1 2 3 4 5 6 8 10 12 13 15 16 17 20 24 25 26 30 32 34 39 40 48 50 51 52 60 64 65 68 75 78 80 85 96 100 102 104 120 128 130 136 150 156 160 170 192 195 200 204 208 221 240 255 260 272 300 312 320 325 340 384 390 400 408 416 425 442 480 510 520 544 600 624 640 650 663 680 780 800 816 832 850 884 960 975 1,020 1,040 1,088 1,105 1,200 1,248 1,275 1,300 1,326 1,360 1,560 1,600 1,632 1,664 1,700 1,768 1,920 1,950 2,040 2,080 2,176 2,210 2,400 2,496 2,550 2,600 2,652 2,720 3,120 3,200 3,264 3,315 3,400 3,536 3,900 4,080 4,160 4,420 4,800 4,992 5,100 5,200 5,304 5,440 5,525 6,240 6,528 6,630 6,800 7,072 7,800 8,160 8,320 8,840 9,600 10,200 10,400 10,608 10,880 11,050 12,480 13,260 13,600 14,144 15,600 16,320 16,575 17,680 20,400 20,800 21,216 22,100 24,960 26,520 27,200 28,288 31,200 32,640 33,150 35,360 40,800 41,600 42,432 44,200 53,040 54,400 62,400 66,300 70,720 81,600 84,864 88,400 106,080 124,800 132,600 141,440 163,200 176,800 212,160 265,200 353,600 424,320 530,400 707,200 1,060,800 and 2,121,600, with no remainder.

Since 2,121,600 cannot be divided by just 1 and 2,121,600, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).