Q: Is 1,550,640 a Composite Number?

Why is 1,550,640 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 1,550,640 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 26 28 30 35 39 40 42 48 52 56 60 65 70 71 78 80 84 91 104 105 112 120 130 140 142 156 168 182 195 208 210 213 240 260 273 280 284 312 336 355 364 390 420 426 455 497 520 546 560 568 624 710 728 780 840 852 910 923 994 1,040 1,065 1,092 1,136 1,365 1,420 1,456 1,491 1,560 1,680 1,704 1,820 1,846 1,988 2,130 2,184 2,485 2,730 2,769 2,840 2,982 3,120 3,408 3,640 3,692 3,976 4,260 4,368 4,615 4,970 5,460 5,538 5,680 5,964 6,461 7,280 7,384 7,455 7,952 8,520 9,230 9,940 10,920 11,076 11,928 12,922 13,845 14,768 14,910 17,040 18,460 19,383 19,880 21,840 22,152 23,856 25,844 27,690 29,820 32,305 36,920 38,766 39,760 44,304 51,688 55,380 59,640 64,610 73,840 77,532 96,915 103,376 110,760 119,280 129,220 155,064 193,830 221,520 258,440 310,128 387,660 516,880 775,320 and 1,550,640, with no remainder.

Since 1,550,640 cannot be divided by just 1 and 1,550,640, 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).