Q: Is 2,798,400 a Composite Number?

Why is 2,798,400 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 2,798,400 can be evenly divided by 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 25 30 32 33 40 44 48 50 53 55 60 64 66 75 80 88 96 100 106 110 120 132 150 159 160 165 176 192 200 212 220 240 264 265 275 300 318 320 330 352 400 424 440 480 528 530 550 583 600 636 660 704 795 800 825 848 880 960 1,056 1,060 1,100 1,166 1,200 1,272 1,320 1,325 1,590 1,600 1,650 1,696 1,749 1,760 2,112 2,120 2,200 2,332 2,400 2,544 2,640 2,650 2,915 3,180 3,300 3,392 3,498 3,520 3,975 4,240 4,400 4,664 4,800 5,088 5,280 5,300 5,830 6,360 6,600 6,996 7,950 8,480 8,745 8,800 9,328 10,176 10,560 10,600 11,660 12,720 13,200 13,992 14,575 15,900 16,960 17,490 17,600 18,656 21,200 23,320 25,440 26,400 27,984 29,150 31,800 34,980 37,312 42,400 43,725 46,640 50,880 52,800 55,968 58,300 63,600 69,960 84,800 87,450 93,280 111,936 116,600 127,200 139,920 174,900 186,560 233,200 254,400 279,840 349,800 466,400 559,680 699,600 932,800 1,399,200 and 2,798,400, with no remainder.

Since 2,798,400 cannot be divided by just 1 and 2,798,400, 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).