Q: Is 2,455,320 a Composite Number?

Why is 2,455,320 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 2,455,320 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 37 40 42 56 60 70 74 79 84 105 111 120 140 148 158 168 185 210 222 237 259 280 296 316 370 395 420 444 474 518 553 555 632 740 777 790 840 888 948 1,036 1,106 1,110 1,185 1,295 1,480 1,554 1,580 1,659 1,896 2,072 2,212 2,220 2,370 2,590 2,765 2,923 3,108 3,160 3,318 3,885 4,424 4,440 4,740 5,180 5,530 5,846 6,216 6,636 7,770 8,295 8,769 9,480 10,360 11,060 11,692 13,272 14,615 15,540 16,590 17,538 20,461 22,120 23,384 29,230 31,080 33,180 35,076 40,922 43,845 58,460 61,383 66,360 70,152 81,844 87,690 102,305 116,920 122,766 163,688 175,380 204,610 245,532 306,915 350,760 409,220 491,064 613,830 818,440 1,227,660 and 2,455,320, with no remainder.

Since 2,455,320 cannot be divided by just 1 and 2,455,320, 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).